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08-24-2012, 04:25 PM
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#1
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Senior Member
Join Date: Jun 2008
Posts: 624
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My C5 LS3 Cam Only Rough Tune Dyno
Well, the car still needs quite a bit of tuning but I got a baseline on my current rough tune. Car dynoed at 460rwhp/455ftlbs on a Superflow eddy current dyno. Needs less timing up top and a lil less fuel. 1 7/8 headers and intake porting are in my future plans. Still as is, its making 20-30 more ftlbs of torque then most LS3's Ive seen with this cam. Hopefully some more tuning can net me another 10-15hp.
Stock L92 shortblock
Stock LS3 tb, intake, heads and rockers
TSP 231/236 114lsa cam
PRC .675 valvesprings
TSP 1 3/4 headers
(Forward vid to 1:08)
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08-24-2012, 06:18 PM
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#2
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Senior Member
Join Date: Jan 2010
Posts: 1,255
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Thats killer for a stockish ls3!
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2006 CTS-V
1993 Trooper
1991 Impulse RS
1988 Trooper II SAS
1986 TrooperII (No Rear)
1988 Impulse (dead)
1983 K20
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08-24-2012, 08:44 PM
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#3
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Senior Member
Join Date: Jun 2009
Posts: 2,509
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Isn't the LS3 only rated at 420 or 430hp?? If so, those are nice numbers then.
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93 GMC Typhoon: new money pit/PITA. Now GT3788R powered.
Boost, because sometimes atmospheric pressure just isn't enough.
"If it has tit's or tires, you can be pretty sure your going to have problems with them..."
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08-24-2012, 09:11 PM
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#4
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pain's fun, hit me again
Join Date: Sep 2009
Posts: 6,264
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Quote:
Originally Posted by Damian
Isn't the LS3 only rated at 420 or 430hp?? If so, those are nice numbers then.
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Yeah but many vette owners have been known to toss down 400-420rwhp on a stock car. Guess it depends on if it was built on a friday or monday 
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Originally Posted by Bruce Lee
Forget about winning and losing; forget about pride and pain. Let your opponent graze your skin and you smash into his flesh; let him smash into your flesh and you fracture his bones; let him fracture your bones and you take his life. Do not be concerned with escaping safely — lay your life before him
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08-24-2012, 10:24 PM
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#5
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Senior Member
Join Date: Jun 2008
Posts: 624
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Ive seen an avg, on honest dynos, stock C6 LS3's putting down 370-380rwhp. There have been a few at 390 but there are too many variables on dynos. I wouldnt buy too much into 400+rwhp from a stock LS3 with the factory tune, real life numbers. Track times prove this. Seen many shops doll up numbers to sell tunes.
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08-24-2012, 10:34 PM
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#6
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Senior Member
Join Date: Jun 2008
Posts: 624
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Texas Speed advertised a gain of 80hp on the cam I got and so far theyre basically dead on.
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08-25-2012, 01:01 PM
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#7
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pain's fun, hit me again
Join Date: Sep 2009
Posts: 6,264
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Quote:
Originally Posted by C5Natie
Ive seen an avg, on honest dynos, stock C6 LS3's putting down 370-380rwhp. There have been a few at 390 but there are too many variables on dynos. I wouldnt buy too much into 400+rwhp from a stock LS3 with the factory tune, real life numbers. Track times prove this. Seen many shops doll up numbers to sell tunes.
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These were all tuner cars, meaning no additional parts, just tuning, pretty impressive though still.
__________________
Quote:
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Originally Posted by Bruce Lee
Forget about winning and losing; forget about pride and pain. Let your opponent graze your skin and you smash into his flesh; let him smash into your flesh and you fracture his bones; let him fracture your bones and you take his life. Do not be concerned with escaping safely — lay your life before him
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To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. Stopping the world!
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08-25-2012, 01:31 PM
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#8
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Senior Member
Join Date: Jun 2009
Posts: 2,509
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80hp jump with a cam and tune is really good. Makes me kinda wish I still had my GTO, minus the $480 car payment.
__________________
93 GMC Typhoon: new money pit/PITA. Now GT3788R powered.
Boost, because sometimes atmospheric pressure just isn't enough.
"If it has tit's or tires, you can be pretty sure your going to have problems with them..."
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