stock horsepower rating
06-18-2007, 10:59 AM
#41
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Originally Posted by LS_ONE_SS
yea sending it to SLP is after the fact. all of the LS1s come from the factory with about 350 hp. that doesnt necessarly mean that they come from the dealer with 350 hp. 
06-18-2007, 11:14 AM
#42
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Originally Posted by Benjamin Russick
The IRS will cost you about 10-15rwhp. People replace factory intakes on Corvettes, too. Please check the GMHTP article above.
06-18-2007, 11:21 AM
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Anyway, I think we can all agree that the motor without boltons is the same motor across all the cars. Some models bolt on better exhaust and intake lid, affecting the performance slightly(go into denial if you want...), but still identical internals except for the later milder cams, which power loss is eliminated by balancing it with the ls6 intake upgrade.
06-19-2007, 08:23 PM
#45
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Originally Posted by ChocoTaco369
thanks for pulling the article. i didn't feel like looking for it.
I also have this one hosted there too.
06-20-2007, 12:36 AM
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Originally Posted by Shooter_Jay
As I understand it, they swap out the irs for weight savings, not drivetrain loss...though I'm not sure it's not for both...but they are the same type of rear planetary gears and all, just going through a cv joint rather than a solid axle, but that's shouldn't make any real difference loss-wise.
