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stock LS1 kill torque THIS much?

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Old 05-31-2008, 09:55 AM
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Default stock LS1 kill torque THIS much?

with mods in sig (232 cam, LTs and tru duals, ported tb, intake, tuned, etc...) i made 377 rwhp and 346 ft lbs. this is all with the STOCK LS1 intake manifold. the power is where i expected it to be but damn the torque is extremely low! does the stock intake hold these cars back THAT much? guess we'll see after i swap it for an LS6.

anyone else have similiar setups with the stock LS1 intake? if so post up your dyno results.
Old 05-31-2008, 10:07 AM
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I've got similar setup... budget didn't allow for a new intake yet. It hit the dyno at G-force... but it was missing like crazy and couldn't get it fixed that day. The best torque number they recorded was 367... I forget at what rpms.

The mods are as follows...

346 ci
PP ls6 stg 3 heads
LPE GT-11 cam (215/231, .641/.644, 118 LSA)
LS1 Intake, Stock (non-ported) TB
SLP 85 MAF & Lid (paper filter)
MAC Headers & ORY (leaking like a SOB on the dyno)
Flowmouth catback
LS7 Clutch/M6/3.90 geared 10 bolt

Found out it was just a plug. Got the exhaust all welded up. Gotta touch up few things and get it back on the dyno, and finish up the tune.
Old 05-31-2008, 11:36 PM
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anyone else?
Old 06-01-2008, 07:07 AM
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Whats the complete Cam #'s? a 232 can be ground many ways.
Old 06-01-2008, 07:47 AM
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Well if the car only made 377rwhp I wouldn't say that's a terrible torque number. I think you will see drastically better numbers and a much stronger car with an LS6 intake.
Old 06-01-2008, 08:12 AM
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id expect 10 RWHP gain with ls6, i put one on my H/C car, didnt have it dynoed but i could feel a little difference maybe so probley only 10 hp but every bit counts. well worth the money b/c you can sell it for what you paid for it when you decide to get a fast 90 or something.
Old 06-01-2008, 08:47 AM
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this should be a 400 rwh car no problem. i tihnk its usually a 10-15 hp gain on bolt on cars and sometimes as much as 20-25 on cammed cars depending the size. the complete specs on the cam are 232/232 595/595 112+2.

Last edited by kyles2000z; 06-01-2008 at 02:14 PM.
Old 06-01-2008, 09:21 AM
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Originally Posted by kyles2000z
with mods in sig (232 cam, LTs and tru duals, ported tb, intake, tuned, etc...) i made 377 rwhp and 346 ft lbs. this is all with the STOCK LS1 intake manifold. the power is where i expected it to be but damn the torque is extremely low! does the stock intake hold these cars back THAT much? guess we'll see after i swap it for an LS6.

anyone else have similiar setups with the stock LS1 intake? if so post up your dyno results.
I have a LS-6 Intake if anyone is interested. Just took it off of my car when I installed the fast.
Old 06-01-2008, 10:53 AM
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Something doesn't sound right at all. I made a little more tq at the wheels with just bolt ons.... It should be more than that imo. What kind of miles are on the car??? And what kind of dyno was it on??
Old 06-01-2008, 01:17 PM
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dynojet, 85,000 miles
Old 06-01-2008, 01:55 PM
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You need to give us a complete spec of your cam, especially LSA and degrees of advance. If your cam is a wide LSA cam with no advance, then your intake valve closing point is too late and your dynamic compression is too low. Torque suffers as a result. I'm pretty confident your intake centerline is pretty late (like 114 or greater). If you didn't replace the stock timing chain, you could have too much slack in your chain and that will retard your timing as well. Check your ICL. Betcha it's pretty late.
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2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
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2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
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Old 06-01-2008, 02:14 PM
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specs were psoted in post #7.....

232/232 595/595 112+2
Old 06-01-2008, 03:42 PM
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Did you add a new timing chain with the cam install? Do you know the exact installed intake centerline?
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
Old 06-01-2008, 10:29 PM
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no stock chain. and no i dont the ICL, i helped with the cam install but didnt get into all that.
Old 06-01-2008, 11:20 PM
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Originally Posted by kyles2000z
no stock chain. and no i dont the ICL, i helped with the cam install but didnt get into all that.
Don't expect the best results with half assed work.
Old 06-02-2008, 08:33 AM
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just bc i dont know the ICL means i did half *** work? nothin i do on my car is half-assed . this was my first cam swap, so i pretty much just helped the guy with whatever i could. thats kind of ignorant to call someones work half assed when its just an assumption youre making.
Old 06-02-2008, 08:39 AM
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Specs in sig... I gained 10rw and 10lbs of torque with install of my LS6.... made 401rwhp and 391ft. lbs
Old 06-02-2008, 08:46 AM
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I see a couple of potential problems with your setup.

1. You're running 918 springs on an XE-R lobed cam. Many people who do that experience valve control issues and don't make their full power potential. I never recommend 918s with XE-R cam lobes. They're much too aggressive.

2. Reusing the stock timing chain. Betcha it has a bunch of slack in it. Without degreeing in your intake centerline, you could very well have valve events nowhere near where they should be.
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
Old 06-02-2008, 09:36 AM
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oh ok. from what i read, the timing chain isnt a neccesary swap with my cam so i jst kept the stock one. ill remember that next time.
Old 06-02-2008, 09:48 AM
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Why does your sig say you make 404rwhp/387rwtq then????



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