L31 Lt4 Hot Cam Dyno

Also intriguing is a complete '96 to '02 L31 truck and van 350 Vortec engine (PN 12530282). With Chevrolet Performance's aggressive ASA camshaft installed in the LS3 6. Here's another option-take your stock L31 and put a ZZ4 cam in it-you will need to change the valve springs to the LT4 springs(or comparable) and a little light machine work on the Vortec spring seats-I would also have the machine shop add screw in rocker studs as you will find yourself wanting to wind it up a little every now and then. Another option is the LS6 beehive springs (GM part# 12499224) combined with Comp Cams 648-16 valve stem locks and 787-16 retainers. 506 Intake and Exhaust would be. DynoJet testing of ZZ4-TPI w/ LT4 HOT cam To compare the benefit (anticipated) of the AFR190 heads, I took my car up to a local shop with a DynoJet Chassis Dyno for some "pre-swap" tests. I have a stock 1999 Vortec crate motor and I'm going to put GM's HOT cam in there. 4 bolt main, one piece rear, roller cam block. 5 ratio rockers-Lt4 Hot cam-750cfm carb-dual plane high flow manifold-large tube headers with mufflers-flat top pistons and. However, you can generally figure on about a 20. Since teh Vortec L31 heads are really just copies of the 94-96 Impala Iron heads, and that and Impala SS made 260 hp while mu engine was rated at 255 hp, and that the Impy is a tad heavier than my truck, wouldnt a cam from say a LT4 be a pretty nice performance item for me. 550" Lift w/ 130 Lbs seat pressure. Quick View. 6 roller rockers. LT4 Crate Engine Assembly with Wet Sump. For 1996 LT1 and LT4 engines, the dowel pin is in. 471 lift I'm also looking at the GMPP HT383 camshaft. The following change may be necessary for correct engine assembly: For LT1 and L98 engines (pre-1996), the dowel pin in the end of the camshaft must be pushed in so extension from end of cam is. The ZZ4 cam is. 6ers instead of. The specs on the hot cam are. Matter of fact if you look at Gilbert Chevrolet web site they give you some numbers based on their dyno sheets that state just that. This camshaft is a great upgrade for 1996-2000 Chevy/GMC trucks equipped with the L31 Vortec 350 Engine. 398: 424: 94 LT1/4: Mark Bass: Dynojet - MTI Racing, Marietta, GA (Oct 2008) 1994 Corvette, LT1 to LT4 kit with GM Hot Cam, 58mm TB, Hooker shorty headers, 30lb fuel injectors, Nitrous. Chevrolet LS-Series Camshaft Lifter Kit. Edelbrock has done the work, and the dyno testing, for us. 160 is probably a 4. The lift is only 1. The HOT Cam specs were developed to insure long term valve train durability along with a broad and responsive torque curve. 525 HP @6200 RPM. I put down 280 rwhp on a Mustang Dyno with the stock gm 142 LT4 cam, 1:6:1 roller rockers, stock vortec intake manifold while spinning the clutch fan. 4-Pattern 241/251 IB, 243/253 OB Hydraulic Roller Cam for Chevrolet Small Block. Swapped back to smaller Crane 222/230 cam for improved drivability. Dear Group, Anyone know the stock HP and torque ratings for a 5. Complementing the cam, we increased the rocker ratio from the stock 1. Small Block Hydraulic Roller. Torsional Damper. 56" stainless exhaust, comp cams springs, ported intake runners, MTI intake ported to match heads, LT4 hotcam, Crane 1. Offshoreonly. This is a discussion on 6. Also, the water pump is cam-driven, rather than belt driven. Got the Bad Boy a dyno tune today. 1 at the track (edit: not sure if it had the Fcar LT1 cam during that run or the factory L31 cam which =s the Bcar LT1 cam). 94-inch valves. The following change may be necessary for correct engine assembly: For LT1 and L98 engines (pre-1996) the dowel pin in the end of the camshaft must be pushed in so extension from end of cam. The cam I found that would meet my needs, the COMP XR276HR. Thinking of throwing 1. After looking closely at the cam specs, we noticed that both the stock 350 H. All 3 pulls were with in a few hp even with me changing the a/f. The Ramjet gets it's boost from the 109 LSA & it's timing,along with some added lift vs longer durations. Click the link for the discussion thread to learn more about ev305tpi's 1992 Z28 1LE. Whoever told you 430-450 ftlb of torque was off by 100 lb-ft. The difference can also be found in the supercharger. That and something I can take advantage of my 3200 stall converter, long tube headers & 4:10 gears. Ive seen guys using the LT4 (i think) hot cam, and the RV cam with decent results and not too expensive. on sale from $19. but idled like ass and liked to ALMOST stall out when my e-fans kicked on. Find Chevrolet Performance LT4 Hot Cam Hydraulic Roller Cam Kits 12480002 and get Free Shipping on Orders Over $99 at Summit Racing! These LT4 Hot Cam hydraulic roller cam kits from Chevrolet Performance are direct replacements for your stock LT4 hydraulic roller cam and lifters. AFR 195 heads, LT4 Hot Cam, hydraulic roller lifters, Edelbrock RPM Air Gap, Holley 950cfm Fuel Injection. 041" compressed head gaskets. 506 Intake and Exhaust would be. Cadillac Engine Discussion. The LQ4/LQ9 6. 040" 350ci, 4 bolt main, one piece rear, roller cam block. (not aluminum LT1) That's right, no machine work required to set up a pair of these heads. 7L vortec from a 96-2000 chevy truck to make 400+ hp with the change of a cam, rocker arms, valve springs, distributor, carb and a manifold with NO machine work required. 65 Comp roller rockers, retard cam 4 degrees and make 475/475 and. This is 3rd gear with the torque converter locked, commanded 3rd/Lockup at 30 MPH and 1,500 rpm. 5" Hg @ 800 RPM & 17" Hg @ 1000 RPM w/ no load. That's with the LT4 cam, not the LT4 HOT cam. I decided I was going to replace my LT4 hotcam with a bumpstick that would offer a bit more duration and since fuel injection is no longer a concern perhaps a tighter lobe seperation too. Run on the dyno with the stock cam using the Speedmaster. 5) Impressive Sounding Thumper Cams. They are designed to increase horsepower and torque in your LT4. Awfully optimistic on those HP figures. Considering CHP Is The Driving Force Behind Most Of The Viable Cadillac Performance Parts Sold Today, It Won't Take Long To Find Out Why We Are The Worldwide Leader For These Impressive Cadillac 500/472/425. For this build level we test each 383 Stroker motor for sale on our own in house dynamometer; you get the dyno sheet from the actual engine sold to you. 6 ratio rockers. Introduced in January 1995, it is a "clean sheet" design with only rod bearings, lifters, and bore spacing in common with the longstanding Chevrolet small block V8 that preceded it as the basis for GM small-block V8s. On the dyno all this work added up to a 12-hp gain at 7,500 rpm on the 300-rpm/sec acceleration range on a Super Flow dyno. The 300 hp vette motor you're thinking of is the Grand Sport LT4 made for 1996 and those dyno out to ~300 at the wheels. 5 in-hg of idle vacuum at its docile 800-rpm idle, but the larger TFS cam had a nice rump to it while still maintaining 15. Chevrolet Performance LT4 Hot Cam Install. We recommend doing this with your local chassis dyno tuner. LS3 Crate Engine by Pace Performance 570 HP Prime and Prepped GMP-19256529-2EF. 6:1 rockers. Center Caps 4-bolt, End caps 2-bolt. The LT4 hotcam's specs are always advertised using 1. For nearly 50 years, we've fueled the passion of automotive enthusiasts. Due to a casting variation in the head from the OEM, the 1108-GS and 1109-GS cams may or may not have enough clearance to avoid interference of the two parts. Wish List Compare. 7L 350 heads. It's early timing traps more cylinder psi down low for awesome torque for such a small cam. 5) Impressive Sounding Thumper Cams. The LT4 cam has specs in the ballpark I want. 4-Pattern 241/251 IB, 243/253 OB Hydraulic Roller Cam for OE Roller SBC. Part Number: 809-12480002. You left out the LT "Hot" cam with 1. But in a 350, I can see it being a problem. Lifters are not included. Center Caps 4-bolt, End caps 2-bolt. The engine was a TBI motor that someone swaped to carb, jetted way down and detonation from consistently running lean claimed the cyl # 5 piston. LS3 Applications. Hidden beneath the composite intake manifold is our LS3's secret weapon - GMPP's "Hot Cam" that adds an extra 50 horses. 5 rockers which is pretty close the same specs as the LT1 cam, but the LT4 is a little more aggressive on the exhaust lobes to help complement the excellent flowing intake side of the vortec heads. The L31 was the last engine to come out of the first-generation of Chevy small blocks. Therefore, the following change may need to be made to allow for correct assembly of the engine: For LT1 and L98 engines 1995 and before, the dowel pin in the end of the camshaft must be pushed in so extension from end of cam is. best pull was at 13. Your question relates to porting the Vortec heads to improve the flow, which is a great idea. That said, just did (last summer) an L31 Vortec build on my 1998 K3500: 1) GM Goodwrench stock 4 bolt replacement short block. All-Race Engines. The 2BBL's got 200/210 @ 0. The stickshift cam (370hp 455 HO, 366 hp 400, etc) got the 212/225 degrees @ 0. camshaft: LT4 Hot Cam & 1. for starters i wouldn't advise putting in any cam with more than. 428" on a 111ºLSA. The Ramjet gets it's boost from the 109 LSA & it's timing,along with some added lift vs longer durations. Take a look at this:. The graphs and data are below: This shows the 3 runs I made (run3 didn't record any RPM data and was thrown out). Another option is the LS6 beehive springs (GM part# 12499224) combined with Comp Cams 648-16 valve stem locks and 787-16 retainers. Be sure to call or email us for any of your F-Body needs. For the smaller displacement engines like the 5. It is worth about 30 hp over the LM7 cam and has the same low-end torque. Connecting Rods. Do It Yourself, Boating on a Budget - SBC LT4 Hot Cam Question - I have a longer term plan to build a 383 stroker, but in the interim I have picked up a solid L31 Vortec 350 from a 2000 GMC 2500 Van - I am going to clean it up and do marine gaskets in it. Trick Flow Specialties is a leading designer and manufacturer of high performance cylinder heads, intake manifolds, and engine components. This is a great choice for replacement motors or just to start fresh. Dyno-man Ed Taylor actually installed the better LT4 springs before the first series of tests so we could test the 1. Technical Notes: Service only; for all V-8 engines with roller cams. Another option is the LS6 beehive springs (GM part# 12499224) combined with Comp Cams 648-16 valve stem locks and 787-16 retainers. org's December 2018 Car of the Month. Positive-twist top piston rings. The Hot Cam is :. It's been suggested I run a Comp Cams tripower extreme (TPX254HR) 254/264,. Click the link for the discussion thread to learn more about ev305tpi's 1992 Z28 1LE. GMPP LT4 HOT CAM KIT (P/N 12480002) INSTALLATION INSTRUCTIONS: APPLICATIONS The hot camshaft is designed for all hydraulic roller camshaft small block engines produced from 1986 to present including the Gen I, Gen IE, and Gen II variety. Jul 30, 2009 #1. 045" quench with. com) Several performance magazine articles of a couple years past using it with the L31 heads as your 97 has. Messages:. I don't want to get over 220 duration intake OR exhaust. Due to a casting variation in the head from the OEM, the 1108-GS and 1109-GS cams may or may not have enough clearance to avoid interference of the two parts. LT4 Crate Engine Assembly with Wet Sump. 480 lift in my T/A with a 455 and it was a very tame mild cam, mine had stock converter, but stock to a 301 Turbo is a 2400 rpm stall for a 455 in the same car. 050 inches of lift. Engine is the stock long block save for the LT4 cam, 1. I ran one in a carbed application in my camaro for a year until I swapped to my 427. A freshly rebuilt, freshly blown up. 480 lift using 1. You give up no streetability whatsoever. It can be used confidently at power levels of 350 to 375 hp for early cranks to about 425 hp for one-piece rear main seal cranks. 050 inches of lift, and exhaust duration at 220 degrees at the same. View; 12 / 24 / All Small Block Hydraulic Roller. fuel pressure regulator with new diaphram set at 58 PSI. 7L 350 heads. However, you can generally figure on about a 20. 525-inch lift using the 1. Due to a casting variation in the head from the OEM, the 1108-GS and 1109-GS cams may or may not have enough clearance to avoid interference of the two parts. The LT4 cam has specs in the ballpark I want. 6 roller rockers, so the tops of the valve guides must be machined shorter to clear the retainer. You give up no streetability whatsoever. Chevrolet Performance LT4 Hot Cam Install. The following change may be necessary for correct engine assembly: For LT1 and L98 engines (pre-1996), the dowel pin in the end of the camshaft must be pushed in so extension from end of cam is. 476, Chevy, Small Block, Kit. Specializing in 82-2002 Camaro and Firebird's, we offer everything from restoration parts, performance parts, used parts and services for all 82-2002 Camaro and Firebird's! Located in Easley, SC, we ship worldwide and also have a store front for local customers. Dyno Testing The TPI Chevy Small-Block Engine - Third-Gen Torture Test Four Induction Systems And Two Cams Dyno-Tested On A Vortec-Headed 355 For Tpi Fans See all 10 photos. Did a Desktop Dyno of your setup 350 with L31 vortec's (had the file) and the lt4 hotcam (also had the LT4 hotcam file) 9. We are dedicated to tuning your vehicle's engine computer to attain maximum performance and the best drivability possible while keeping the powertrain reliable. but idled like ass and liked to ALMOST stall out when my e-fans kicked on. Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance Parts may not meet. 75" factory cats and piping and a magnaflow dual in/single out muffler with a 3. Small Block Hydraulic Roller LT4 Hot. Camshaft, TPIS Super L98 Hydraulic Roller Camshaft, SBC 87-92, LT1 93-94. Click the link for the discussion thread to learn more about ev305tpi's 1992 Z28 1LE. Increased power for your 1996 to 2000 350ci Chevy Vortec 5700 V-8 engine we were unable to get a baseline on the dyno before the cam swap. 7L vortec from a 96-2000 chevy truck to make 400+ hp with the change of a cam, rocker arms, valve springs, distributor, carb and a manifold with NO machine work required. View; 12 / 24 / All Small Block Hydraulic Roller. 6 rockers car can't be driven on the open road since there are no hood. Then there is another guy that ran the stock intake/fueling with home ported Vortec heads, GM LT4 hotcam 218/228º that dynode at 305 rwhp on the 350, then put all the parts on a 383 and dyno'ed at 330rwhp/381rwtq. The 1964 Chevrolet L76, 327 cubic inch displacement (CID), 365 horsepower (HP) engine was the most powerful production standard small-block V8 built until the Chevy LS6 came out in 2001. The stickshift cam (370hp 455 HO, 366 hp 400, etc) got the 212/225 degrees @ 0. If you are still running the singl cat Vortec 305 exhaust, swapping to the dual cat Vortec 350 or custom 2 1/2" headpipe setup along with headers is worth over 30hp. Bone stock it makes about 270-280. 6:1 roller rockers, and LT4 valve. 473" exhaust Camshaft Duration (@. Engine blocks, engines, transmissions, Connect & Cruise systems and other Chevrolet Performance parts are designed, engineered, and tested by Chevrolet. 398: 424: 94 LT1/4: Mark Bass: Dynojet - MTI Racing, Marietta, GA (Oct 2008) 1994 Corvette, LT1 to LT4 kit with GM Hot Cam, 58mm TB, Hooker shorty headers, 30lb fuel injectors, Nitrous. org member ev305tpi for winning January's Car of the Month, as voted by ThirdGen. Horsepower Rating. i have searched the forums and talked to the Mechs where i work and have come up with what i feel is the best answer to your (and my) question. It pulled 323 rwhp and 335 torque uncorrected on a hot socal day. The only difference is the water jacket revision so these heads could be used on conventionally-cooled small blocks. The LT4 Hot Cam kit is a nice setup over stock. Some of the lesser number dyno's were on stock Memcal chips and pig rich at WOT. 471 lift I'm also looking at the GMPP HT383 camshaft. Corvette (Base and Z51) Corvette Grand Sport* Camaro SS (manual). 6 rockers you can expect even more. Some versions of the LT4 came with a dry sump oiling system. 75:1 compression ratio. Wegner Motorsports Dry Sump LT5 Accessory Drive Kit. The target ring has four equally spaced segments that communicate the camshaft's position more quickly and accurately than previous systems with a single segment. Specializing in 82-2002 Camaro and Firebird's, we offer everything from restoration parts, performance parts, used parts and services for all 82-2002 Camaro and Firebird's! Located in Easley, SC, we ship worldwide and also have a store front for local customers. Also intriguing is a complete '96 to '02 L31 truck and van 350 Vortec engine (PN 12530282). This is a used take-out Camaro or Firebird LT1 Engine Assembly. The supercharged, 6. If installed in one of these trucks, a custom computer re-program is needed. 7L Vortec head can be used on the 305. GM designed this engine to last the life of your car, while still being capable of delivering monster horsepower. Click image to zoom. Connecting Rods. Lt4 hot cam, or CC305 i think it is are some cams, that comp cam has alot newer grind, the hot cam is pretty outdated now and pretty mild. Instead of going through all the work to change the cam I would try the Rockers alone. Specializing in 82-2002 Camaro and Firebird's, we offer everything from restoration parts, performance parts, used parts and services for all 82-2002 Camaro and Firebird's! Located in Easley, SC, we ship worldwide and also have a store front for local customers. NOTE: The Gen-II LT4 camshaft P/N 24502586 was designed to be used in many different engines. All 3 pulls were with in a few hp even with me changing the a/f. Tom Sallee says it will give my motor another 125 hp with the cam alone!! The Hot Cam kit is around $550. 486 LB-FT @5200 RPM. For comparison the OEM 1996-2002 Vortec 305/350 RPO L30/L31 cam specs are 191º/196º [email protected] 0. That is all. So my thoughts are that my cam is waay to small for this engine. This camshaft will not work with the latest small block Gen III engines such as the LS1. I know the ram jet cam is very mild by 350 standards, but I have read that 305's will respond well to a mild cam like that. You will need to change springs,keepers ect. Find PROMAXX Performance Vortec 185cc Iron Cylinder Heads 2151 and get Free Shipping on Orders Over $99 at Summit Racing! PROMAXX Performance goes one up with their Vortec iron cylinder heads, 1986 and older. Edelbrock has done the work, and the dyno testing, for us. 6ers instead of. Honda CRF250-109 Cam Insert. 6:1 rockers. A freshly rebuilt, freshly blown up. Congratulations to ThirdGen. Find Chevrolet. After looking closely at the cam specs, we noticed that both the stock 350 H. but idled like ass and liked to ALMOST stall out when my e-fans kicked on. Applying the techniques described here to a full-race port spec typically takes about 100 hours. AFR 195 heads, LT4 Hot Cam, hydraulic roller lifters, Edelbrock RPM Air Gap, Holley 950cfm Fuel Injection. HEADS - The heads had smaller, 54cc chambers that gave the LT4 a 10. Find Chevrolet Performance LT4 Hot Cam Hydraulic Roller Camshafts 24502586 and get Free Shipping on Orders Over $99 at Summit Racing! These LT4 Hot Cams from Chevrolet Performance are direct replacements for your stock LT4 hydraulic roller cam. IMOaverage power will be about the same. 5 in-hg of idle vacuum at its docile 800-rpm idle, but the larger TFS cam had a nice rump to it while still maintaining 15. Small Block Hydraulic Roller LT4 Hot. Torsional Damper. 5:1 stamped steel rockers you allready run. Did the GM recommended thing again, LT4 springs n retainers, cut down guides, opened up spring pockets, and a little ingenuity to open the LT4 spring seats/shims originally used with AL heads. 0L 305 heads. 045" quench with. Circle Track Racing. Quick View. 195cc competition LT4 AFR heads, custom cam. LT1 Hot Cam; Duration @. Wish List Compare. Exhaust =. 5 ratio rockers-Lt4 Hot cam-750cfm carb-dual plane high flow manifold-large tube headers with mufflers-flat top pistons and. Both are the most powerful engines offered in their respective cars, the LS9 in the Corvette ZR1, and the LSA in the CTS-V and hopefully the Camaro Z28 one day. 492 with a 1. Fast-forward nearly twenty years to the current-generation C7 Z06 Corvette, and you'll find an all-new iteration of the LT4 engine. I think I'm at the point if I want to do either the LT4 hot cam, or the ZZ4 crate cam. While I specialize more in the daily driver type fuel injection aspects rather than. I have posted pages to help those with these systems overcome the limitations of those systems and point out what those limitations are. Find Chevrolet Performance LT4 Hot Cam Hydraulic Roller Camshafts 24502586. I'm researching a new camshaft for my 1999 350 vortec engine (L31) (in a suburban). This is where the Edelbrock Power Package excels. 10207643: 1994 through 1996 LT 350ci V-8. 525-inch lift using the 1. 5 rockers) and a LSA of 112*. 460" before running into retainer to valve guide interference. '94 Impala SS- 355 TRW pistons, MTI ported aluminum lt1 heads, 2. One of the great bennies is the ability to run regular fuel even at 9. Could be the intake or mufflers holding it back. The ZZ4 cam is. Using the time proven ZZ4 short block assembly adding GM's HOT Cam, which was developed by GM Motorsports for LT1 and LT4 engines used in showroom stock road racing. This is the 350 I have put together for my orange s10 that's in some of my other videos it is a stock 165k mile motor with a cam & valve springs only. Well, wit a new cam, your going to have to hand tune it or go to a dyno shop etc, a mail order tune just really wont cut it. The target ring has four equally spaced segments that communicate the camshaft's position more quickly and accurately than previous systems with a single segment. The lift on the ZZ4 cam would be. For stock power production, the hot ticket is the L31, Vortec-headed 350 offered from 1996-'02 in truck, van, and SUV applications. Dyno Testing The TPI Chevy Small-Block Engine - Third-Gen Torture Test Four Induction Systems And Two Cams Dyno-Tested On A Vortec-Headed 355 For Tpi Fans See all 10 photos. I built a similar engine, Standard bore 4 bolt roller truck block, stock crank and rods. When I got serious with the 350, I swapped to Doug Thorley Tri-ys with 1 5/8" primaries, 2" intermediate pipes and 2. We do offer the Summit K1103 cam and lifter kits which are designed to work with these cylinder heads. 398: 424: 94 LT1/4: Mark Bass: Dynojet - MTI Racing, Marietta, GA (Oct 2008) 1994 Corvette, LT1 to LT4 kit with GM Hot Cam, 58mm TB, Hooker shorty headers, 30lb fuel injectors, Nitrous. Best of all, you get an engine that is both durability-tested and dyno-proven. A freshly rebuilt, freshly blown up. Bowtie Competition Small Block Intake Manifold, Spider Design. It dyno'd at 250 rwhp and 335 rw ftlbs. 00" stainless intake, 1. 2L engine, it comes alive with 525 uncompromising horsepower. These Summit cylinder heads use a spring with a 1. The L31 was the last engine to come out of the first-generation of Chevy small blocks. 6:1 with a set of COMP Magnum rockers, bumping the valve lift delivered by our cam from 0. 56" stainless exhaust, comp cams springs, ported intake runners, MTI intake ported to match heads, LT4 hotcam, Crane 1. Edelbrock has done the work, and the dyno testing, for us. 5 rockers), at best, you might see 20-25 hp gain if you are not going to use the 1. Circle Track Racing. It is the last production Generation I small-block from Chevrolet. 5" Hg @ 800 RPM & 17" Hg @ 1000 RPM w/ no load. Intake Manifold. LT4 Hot cam is. The following change may be necessary for correct engine assembly: For LT1 and L98 engines (pre-1996), the dowel pin in the end of the camshaft must be pushed in so extension from end of cam is. Find Chevrolet Performance LT4 Hot Cam Hydraulic Roller Cam Kits 12480002 and get Free Shipping on Orders Over $99 at Summit Racing! These LT4 Hot Cam hydraulic roller cam kits from Chevrolet Performance are direct replacements for your stock LT4 hydraulic roller cam and lifters. 486 LB-FT @5200 RPM. Call or email for shipping quotes. i have searched the forums and talked to the Mechs where i work and have come up with what i feel is the best answer to your (and my) question. I ran one in a carbed application in my camaro for a year until I swapped to my 427. 52 You'll need to make sure that all your seals are well seated and you'll have to use: Comp cam Beehive springs 26915 or 26918 Comp cams 787 retainers Comp cams 648 keepers. It dyno'd at 250 rwhp and 335 rw ftlbs. The 2015 Corvette Z06 featured an all-new LT4 engine. The Summit 151124 Vortec Cylinder Heads will not worth with the Chevrolet Performance 24502586 LT4 Hot Cam. Just as an example from 1. Congratulations to ThirdGen. All-Race Engines. Complementing the cam, we increased the rocker ratio from the stock 1. The Lunati is ground on a 6* advance. 00" stainless intake, 1. Ordered mufflers today. 75:1 compression ratio. Valve Spring Kit for SB Chevy Vortec High Performance Hydraulic Roller Cams, up to. Circle Track Racing. View; 12 / 24 / All Small Block Hydraulic Roller. Eric McClellan Sep 24, 2013. Then there is another guy that ran the stock intake/fueling with home ported Vortec heads, GM LT4 hotcam 218/228º that dynode at 305 rwhp on the 350, then put all the parts on a 383 and dyno'ed at 330rwhp/381rwtq. With Chevrolet Performance's aggressive ASA camshaft installed in the LS3 6. Here is the link to the GM message board. This camshaft is a great upgrade for 1996-2000 Chevy/GMC trucks equipped with the L31 Vortec 350 Engine. 492 with a 1. The LT1 engine is a small-block eight-cylinder engine that is produced by Chevrolet. Engine is the stock long block save for the LT4 cam, 1. 195cc competition LT4 AFR heads, custom cam. The LT4 also came with a more aggressive cam to enhance the better heads. 525" lift with teh 1. Honda CRF250-109 Cam Insert. 7L L31 Engine) Chevy LS Valve Spring Kit. It is known for its high-performance and use in Chevy's line of Corvette, Camaro and Caprice cars. Adding a four-barrel and dual exhaust pipes bumped that to 180 horsepower at 4600 rpm. 5" collectors using the same 2. 5:1 stamped steel rockers you allready run. Trans Am LT4 Hot Cam PaceSetter Headers Magnaflow Exhaust - Duration: LT1 Cammed L31. 476, Chevy, Small Block, Kit. Wish List Compare. I didn't know exactly what CFM a stock 350 TBI flows, so i guessed 600cfm. Small-Block. 420-428 ft. Due to a casting variation in the head from the OEM, the 1108-GS and 1109-GS cams may or may not have enough clearance to avoid interference of the two parts. We've also got the valvetrain components you need to finish the engine, including lightweight components designed for high-rpm performance. Jump to Latest Follow let me guess, some old fogey hot rodder said L31 / 12558062 , these are the stronger+better casting versus casting number: 10239906. A canvas for hot rodders from the get-go. 2L V-8 delivers 650 horsepower, and 650 lb-ft of torque. Will be shipped Truck Freight. Be sure to call or email us for any of your F-Body needs. Chevrolet Performance SBC LT1/LT4 Hot Cam Kit. AFR 195 heads, LT4 Hot Cam, hydraulic roller lifters, Edelbrock RPM Air Gap, Holley 950cfm Fuel Injection. There is a lot of power there along with trans shift points and turning off torque limiting etc. In the real world, if you start with an LT4 engine, add Long tube headers, LT4 Hot cam, Port and match the heads and intake, 52 mm T-body (anything bigger than that is a waste), a good cat back system, and an electric WP, you'll get about 360-375 RWHP depending on how good your tuner is. The following change may be necessary for correct engine assembly: For LT1 and L98 engines (pre-1996), the dowel pin in the end of the camshaft must be pushed in so extension from end of cam is. Find Chevrolet Performance LT4 Hot Cam Hydraulic Roller Camshafts 24502586. vortec heads. Small Block 350 Hot Cam Kit. Revised Head design. 525-inch lift using the 1. org member ev305tpi for winning January's Car of the Month, as voted by ThirdGen. That is all. The hot cam is ground on a 3* advance. of torque more than its naturally aspirated cousin, the LT1. This is where the Edelbrock Power Package excels. Scoggin-Dickey Parts Center is one of the largest automotive supply centers in the world. General Motors placed the 5. In the previous story we introduced you to budget-buildup artist Tim Moore s 355ci small-block featuring its stock Vortec iron heads, GM Performance Parts HOT cam, and 9. 5:1 with the stock 1. Trans Am LT4 Hot Cam PaceSetter Headers Magnaflow Exhaust - Duration: LT1 Cammed L31. Trick Flow Specialties is a leading designer and manufacturer of high performance cylinder heads, intake manifolds, and engine components. This is 3rd gear with the torque converter locked, commanded 3rd/Lockup at 30 MPH and 1,500 rpm. (not aluminum LT1) That's right, no machine work required to set up a pair of these heads. The cylinder heads feature combustion chambers and intake ports very similar to those of the LT1 V8, but without the reverse-flow cooling. Also intriguing is a complete '96 to '02 L31 truck and van 350 Vortec engine (PN 12530282). 525" 218/228. With that combination, I've mesured. 6 fasteddie, Apr 8, 2006 #12. It's not really that bad. I am thinking of repacing the stock truck roller cam with an LT4. The L31 Vortec head can be used on any SBC engine from 1955 through the end of Vortec production, with the exception of the Gen 2 LT1/LT4 engines used in some vehicles between 1992-'97. Specializing in 82-2002 Camaro and Firebird's, we offer everything from restoration parts, performance parts, used parts and services for all 82-2002 Camaro and Firebird's! Located in Easley, SC, we ship worldwide and also have a store front for local customers. However, you can generally figure on about a 20. Due to a casting variation in the head from the OEM, the 1108-GS and 1109-GS cams may or may not have enough clearance to avoid interference of the two parts. Eric McClellan Sep 24, 2013. 4-Pattern 241/251 IB, 243/253 OB Hydraulic Roller Cam for Chevrolet Small Block. Trans Am LT4 Hot Cam PaceSetter Headers Magnaflow Exhaust - Duration: LT1 Cammed L31. Pretty much stock vortec heads but set-up for 550 lift. The graphs and data are below: This shows the 3 runs I made (run3 didn't record any RPM data and was thrown out). $19,157 MSRP † (4) PART NO. 52 You'll need to make sure that all your seals are well seated and you'll have to use: Comp cam Beehive springs 26915 or 26918 Comp cams 787 retainers Comp cams 648 keepers. That and something I can take advantage of my 3200 stall converter, long tube headers & 4:10 gears. Find Chevrolet Performance LT4 Hot Cam Hydraulic Roller Cam Kits 12480002 and get Free Shipping on Orders Over $99 at Summit Racing! These LT4 Hot Cam hydraulic roller cam kits from Chevrolet Performance are direct replacements for your stock LT4 hydraulic roller cam and lifters. This is the 350 I have put together for my orange s10 that's in some of my other videos it is a stock 165k mile motor with a cam & valve springs only. The target ring has four equally spaced segments that communicate the camshaft's position more quickly and accurately than previous systems with a single segment. The specs on the hot cam are. In the previous story we introduced you to budget-buildup artist Tim Moore s 355ci small-block featuring its stock Vortec iron heads, GM Performance Parts HOT cam, and 9. Classic Car Engine Refurbished image by Janet Wall from Fotolia. Pete's Garage 287,764 views. Cost involved: about $20 worth of grinding and finishing supplies. Both are the most powerful engines offered in their respective cars, the LS9 in the Corvette ZR1, and the LSA in the CTS-V and hopefully the Camaro Z28 one day. Find Chevrolet Performance LT4 Hot Cam Hydraulic Roller Camshafts 24502586. The hot cam will be a will hold power to 6000 RPMs (confirmed several times on more than one dyno). LT4 hotcam specs: Intake Exhaust Valve Lift @ 1. Find Chevrolet Performance LT4 Hot Cam Hydraulic Roller Camshafts 24502586. 7L vortec from a 96-2000 chevy truck to make 400+ hp with the change of a cam, rocker arms, valve springs, distributor, carb and a manifold with NO machine work required. In the real world, if you start with an LT4 engine, add Long tube headers, LT4 Hot cam, Port and match the heads and intake, 52 mm T-body (anything bigger than that is a waste), a good cat back system, and an electric WP, you'll get about 360-375 RWHP depending on how good your tuner is. Thinking of throwing 1. NOTE: The LT4 camshaft P/N 24502586 was designed to be used in many different engines. I know people are always interested what the hotcam will put down I will post my results I got it dyno'ed on a dyno jet dyno today. We are dedicated to tuning your vehicle's engine computer to attain maximum performance and the best drivability possible while keeping the powertrain reliable. 550" Lift w/ 130 Lbs seat pressure. The basic LS variations use cast iron blocks, while. CAMARO ROLLING CHASSIS (CRC) LT5 Manual Connect & Cruise Powertrain System W/ T56. Small Block Hydraulic Roller. for starters i wouldn't advise putting in any cam with more than. America's favorite high-performance cast iron small block cylinder heads offer big power and bigger value. After looking closely at the cam specs, we noticed that both the stock 350 H. A stronger crank, rods, and pistons. This is an excerpt from the Vortec thread: The Gary Penn Discussions -. Due to a casting variation in the head from the OEM, the 1108-GS and 1109-GS cams may or may not have enough clearance to avoid interference of the two parts. 4-Pattern 241/251 IB, 243/253 OB Hydraulic Roller Cam for OE Roller SBC. 6ers instead of. It can be used confidently at power levels of 350 to 375 hp for early cranks to about 425 hp for one-piece rear main seal cranks. Find Chevrolet Performance LT4 Hot Cam Hydraulic Roller Cam Kits 12480002 and get Free Shipping on Orders Over $99 at Summit Racing! These LT4 Hot Cam hydraulic roller cam kits from Chevrolet Performance are direct replacements for your stock LT4 hydraulic roller cam and lifters. $19,157 MSRP † (4) PART NO. Although i have not performed the hot cam install, i too have a 95 z28 lt1 and plan to perform the swap this winter while the car is garaged. >> This made the Hot cam swap that much easier. It pulled 323 rwhp and 335 torque uncorrected on a hot socal day. 6 fasteddie, Apr 8, 2006 #12. 10207643: 1994 through 1996 LT 350ci V-8. The LT4 makes 195 horsepower and 195 ft. Eric McClellan Sep 24, 2013. Click image to zoom. 12480002 350 Hot Cam Kit $580 (partszoneonline. Technical Notes: The LT4 camshaft 809-24502586 was designed to be used in a number of different engines. Both are the most powerful engines offered in their respective cars, the LS9 in the Corvette ZR1, and the LSA in the CTS-V and hopefully the Camaro Z28 one day. Could be the intake or mufflers holding it back. 95 sale view. This will give you the clearance you need for the LT4 Hot Cam with a 1. 2 l parts lt4 6. The stock combustion chambers are too large as-cast, so they need to be milled if used on a 305. This cam is great for additional bottom end torque. Specializing in 82-2002 Camaro and Firebird's, we offer everything from restoration parts, performance parts, used parts and services for all 82-2002 Camaro and Firebird's! Located in Easley, SC, we ship worldwide and also have a store front for local customers. 2 to 1 with a vortec head) speed pro moly rings. Brian with pcm for less did the tune. 6 aluminum roller rockers. 510 Exhaust w/ 1. 006 tappet lift. 045" quench with. 050" lift, 0. 6 roller rockers. 600 seal to retainer clearance. Sinister Performance, LLC. I know people are always interested what the hotcam will put down I will post my results I got it dyno'ed on a dyno jet dyno today. 6 ratio rockers over the LT4 hot cam on my build. 195cc competition LT4 AFR heads, custom cam. Lifters are not included. 6 rockers on lt4 hot cam Discussion in 'Engine Topic' started by sooner, Jul 30, 2009. The cam that comes with that engine is pretty small. 500 of an inch and above mean nothing to you. Specializing in 82-2002 Camaro and Firebird's, we offer everything from restoration parts, performance parts, used parts and services for all 82-2002 Camaro and Firebird's! Located in Easley, SC, we ship worldwide and also have a store front for local customers. I think you'd be OK with that cam. The specs on the hot cam are. IMOaverage power will be about the same. Product Q&A View Now. 2L small block engine used in GM performance cars between 2009 and 2017. Rotocast aluminum heads. The engine was a TBI motor that someone swaped to carb, jetted way down and detonation from consistently running lean claimed the cyl # 5 piston. that casting has hardend exhaust seats that kill low and mid valve lift flow. Re: Cam for 98 5. 342 HP @ 5000 RPM. Dropping in an LT1 or an LT4 cam would make a large difference in power, but be mindful of the lift limitation of the stock spring/seal/retainer. All-Race Engines. Trick Flow products perform as advertised and exceed customer's expectations for performance and value. Chevrolet Performance SBC LT1/LT4 Hot Cam Kit. 6 rockers), stock fuel injection (injector upgrade), and 0411 PCM. LT4 hotcam specs: Intake Exhaust Valve Lift @ 1. com) Several performance magazine articles of a couple years past using it with the L31 heads as your 97 has. 10208890: 1994 through 1996 LT 350ci V-8. Find Chevrolet. The LQ4/LQ9 6. It's now called the LT4 Hot cam. 476, Chevy, Small Block, Kit. 474 Intake and. The Lunati is ground on a 6* advance. And i just assumed you were going to use small tube headers. I went with a KB106 piston (10. Take-no-prisoner performance. The 2015 Corvette Z06 featured an all-new LT4 engine. cadillac 472 500 freeze plug set-steel or brass-chp-ep14 big block filter by. This is a great choice for replacement motors or just to start fresh. Circle Track Racing. Complementing the cam, we increased the rocker ratio from the stock 1. Both are the most powerful engines offered in their respective cars, the LS9 in the Corvette ZR1, and the LSA in the CTS-V and hopefully the Camaro Z28 one day. If You Are Looking For A High Performance Dyno-Tuned Engine, Give CHP A Call To Chat With An Expert. With a production LT4 cam, 1. 413 ft*lbs @ 3800 RPM. i had the lt4 hot cam and a black box pcm with a black bear tune. Considering CHP Is The Driving Force Behind Most Of The Viable Cadillac Performance Parts Sold Today, It Won't Take Long To Find Out Why We Are The Worldwide Leader For These Impressive Cadillac 500/472/425. but idled like ass and liked to ALMOST stall out when my e-fans kicked on. 95 sale view. That said, just did (last summer) an L31 Vortec build on my 1998 K3500: 1) GM Goodwrench stock 4 bolt replacement short block. 398: 424: 94 LT1/4: Mark Bass: Dynojet - MTI Racing, Marietta, GA (Oct 2008) 1994 Corvette, LT1 to LT4 kit with GM Hot Cam, 58mm TB, Hooker shorty headers, 30lb fuel injectors, Nitrous. Re: Cam for 98 5. Pretty much stock vortec heads but set-up for 550 lift. Small Block Hydraulic Roller LT4 Hot. Thanks, Glenn. Wish List Compare. 2L engine, it comes alive with 525 uncompromising horsepower. sooner Veteran Member Lifetime Gold Member. A canvas for hot rodders from the get-go. 015 gasket to up compression to 10. 6 roller rockers, Comp cams pushrods, MTI 52mm TB, MTI fuel pressure regulator, Borla stainless cat back, cat deletes, FLP long tube ceramic coated headers. 525 with a 1. 525" lift with teh 1. >> This made the Hot cam swap that much easier. Find Chevrolet Performance LT4 Hot Cam Hydraulic Roller Cam Kits 12480002 and get Free Shipping on Orders Over $99 at Summit Racing! These LT4 Hot Cam hydraulic roller cam kits from Chevrolet Performance are direct replacements for your stock LT4 hydraulic roller cam and lifters. NOTE: The LT4 camshaft P/N 24502586 was designed to be used in many different engines. 350 cu in, 5733 cc. Register now to get rid of these ads! Discussion in ' The Hokey Ass Message Board ' started by v8nova64, Apr 28, 2012. Dyno Testing The TPI Chevy Small-Block Engine - Third-Gen Torture Test Four Induction Systems And Two Cams Dyno-Tested On A Vortec-Headed 355 For Tpi Fans See all 10 photos. Sort By View; 12 Small Block Hydraulic Roller LT4 Hot Cam. 460" flat tappet cam, and was seeing almost 100% IDC and then cranked the. Our original answer combined the Chevrolet Hot cam with a set of these Vortec heads. 525 with a 1. Product Q&A View Now. Compression Ratio. In 1996 the 305ci RPO L30 engine got different heads than were used previously. It is worth about 30 hp over the LM7 cam and has the same low-end torque. Vortec heads were designed based on the 1996 Caprice 9C1/Impala SS LT1 cast-iron head castings. It's also as streetable as can be. Sinister Performance, LLC. 525" 118/228 112. 5:1 with the stock 1. Here's another option-take your stock L31 and put a ZZ4 cam in it-you will need to change the valve springs to the LT4 springs(or comparable) and a little light machine work on the Vortec spring seats-I would also have the machine shop add screw in rocker studs as you will find yourself wanting to wind it up a little every now and then. Spark timing is 2 degree's over stock(at 100kpa) running 93 octane. Welcome to Club Hot Rod! The premier site for everything to do with Hot Rod, Customs, Low Riders, Rat Rods, and more. That and something I can take advantage of my 3200 stall converter, long tube headers & 4:10 gears. sooner Veteran Member Lifetime Gold Member. As such, the L31 head is compatible with all. 56" stainless exhaust, comp cams springs, ported intake runners, MTI intake ported to match heads, LT4 hotcam, Crane 1. They are also not compatible with any of the current LS engines. This camshaft will not work with the latest small block Gen III engines such as the LS1. I ran one in a carbed application in my camaro for a year until I swapped to my 427. 525" 218/228. Small Block Camshaft Retainer. I'd have to pull the cam specs but, the LT4 Hot cam is a great cam for the Vortec engines. There's even a specific tow/RV cam meant to maximize torque in the 2500-3500 range called the SUM-8718. Comp Beehive springs, retainers & 8. 525-inch lift using the 1. Could be the intake or mufflers holding it back. As such, the L31 head is compatible with all. Saw this dyno for a L31 with LT4 cam (w/ 1. It's also as streetable as can be. 479" lift, 115* LSA, 116* ICL, running a ported stock intake manifold, 70mm throttle body, LT1 B-car exhaust manifolds into the factor dual 2. Just as an example from 1. 6ers instead of. Our Vortec kits are engineered specifically for Iron Vortec & 96 Iron LT1 heads. Horsepower Rating. 396ci LT4 stroker motor, Powereffects open, dyno tune by Jim Smith. Pumping against a higher pressure increases pumping losses. The graphs and data are below: This shows the 3 runs I made (run3 didn't record any RPM data and was thrown out). 4-Pattern 241/251 IB 243/253 OB Hydraulic Roller Cam Chevrolet Big Block 396-454. The following change may be necessary for correct engine assembly: For LT1 and L98 engines (pre-1996), the dowel pin in the end of the camshaft must be pushed in so extension from end of cam is. 5:1 stamped steel rockers you allready run. Just as a point of reference, the cam that comes in that Goodwrench motor has specs something like 192*/201* @. For comparison the OEM 1996-2002 Vortec 305/350 RPO L30/L31 cam specs are 191º/196º [email protected] 0. Custom Chip / ECM / PCM Reprogramming & Tuning. Trick Flow products perform as advertised and exceed customer's expectations for performance and value. DynoJet testing of ZZ4-TPI w/ LT4 HOT cam To compare the benefit (anticipated) of the AFR190 heads, I took my car up to a local shop with a DynoJet Chassis Dyno for some "pre-swap" tests. 75:1 compression ratio. Fast-forward nearly twenty years to the current-generation C7 Z06 Corvette, and you'll find an all-new iteration of the LT4 engine. Scoggin-Dickey Parts Center is one of the largest automotive supply centers in the world. This pic shows the dyno chart of a stock L31 longblock with teh LT4 hotcam, Ramjet intake 311hp/334ft-lb torque at the rear wheles. Considering CHP Is The Driving Force Behind Most Of The Viable Cadillac Performance Parts Sold Today, It Won't Take Long To Find Out Why We Are The Worldwide Leader For These Impressive Cadillac 500/472/425. i have searched the forums and talked to the Mechs where i work and have come up with what i feel is the best answer to your (and my) question. Best of all, you get an engine that is both durability-tested and dyno-proven. Pretty much stock vortec heads but set-up for 550 lift. From GMPP catalog 12480002 350 Hot Cam Kit. This is a great choice for replacement motors or just to start fresh. 4-Pattern 241/251 IB, 243/253 OB Hydraulic Roller Cam for Chevrolet Small Block. i had the lt4 hot cam and a black box pcm with a black bear tune. 5 ratio rockers-Lt4 Hot cam-750cfm carb-dual plane high flow manifold-large tube headers with mufflers-flat top pistons and. Wish List Compare. Used on LT1 and L99. The basic LS variations use cast iron blocks, while. Pic of the combo that was dynoed in an S10. The engine is a. 492" Duration @0. 480 lift in my T/A with a 455 and it was a very tame mild cam, mine had stock converter, but stock to a 301 Turbo is a 2400 rpm stall for a 455 in the same car. Due to a casting variation in the head from the OEM, the 1108-GS and 1109-GS cams may or may not have enough clearance to avoid interference of the two parts. This camshaft is a great upgrade for 1996-2000 Chevy/GMC trucks equipped with the L31 Vortec 350 Engine. 6 to 1 rockers. Trans Am LT4 Hot Cam PaceSetter Headers Magnaflow Exhaust - Duration: LT1 Cammed L31. Call or email for shipping quotes. Bowtie Competition Small Block Intake Manifold, Spider Design. However, you can generally figure on about a 20. "LT4 HOT cam" Hadda have it. I'm researching a new camshaft for my 1999 350 vortec engine (L31) (in a suburban). Messages:. still even uses stock lifters. About 8K miles ago i did a complete tune up with new delco iridium plugs, and plug wires, cap and rotor, coil and ignition module all from performance distributors, their firepower ignition kit I also have an LT4 Hot Cam, new upgraded felpro intake gasket kit, new timing cover, sanderson 1 3/4 primary 3" collector swap headers, corvette HD. I think the LT4 hot cam is a little too much for my application, I am still using the factory computer and fuel injection. The Hot Cam is :. But honestly, the stock fuel system won't take much. 473" exhaust Camshaft Duration (@. 6 ratio rocker arm and requires no machining on the head. If you only plan on using the hot cam and not the 1. Sort By View; 12 Small Block Hydraulic Roller LT4 Hot Cam. Center Caps 4-bolt, End caps 2-bolt. i played around with desktop dyno 2003 and came up with this:-stock vortec with stock heads and stock 1. '94 Impala SS- 355 TRW pistons, MTI ported aluminum lt1 heads, 2. If installed in one of these trucks, a custom computer re-program is needed.