Quote:
Originally Posted by jimfin
Look I'm not big on machanics. The guy who ran the dyno on my car told me at the rear wheels it was putting out 344hp, but at the engine it was 400hp. Does this sound right to you? He said most poeple think the rear wheels should be putting out 400 hp as advertised. I'm a little confused here. Any help? Educate me, is my car greatly underperforming or is my machanic right. I have the dyno print out. The garage that did the work is very, very repretable. They work on very high end vettes, as well as other cars and they just pumped up a 2010 Camaro with a blower/headers etc. and it sound awesome. Thanks for all the info.
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Well...as stated your car in STOCK form, with the L99 engine should be putting out 400 at the crank. Take away 15% for drivetrain loss and at the wheels you should be getting about 340 hp.
However your dyno included the modifications on your car...and still was around 344. That is why I posed the question in the manner that I did. It more than likely means that the mods had only a marginal effect on the engine performance.
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2010 2SS/RS 6spd manual -- Victory Red / Black Leather
1100, Preliminary order accepted 7/27/09
2000, Order accepted by GM 8/13/09
3000, Order accepted by production control 8/18/2009 TPW 9/07/2009
3300, Order scheduled for production 8/24/2009
3400, Order broadcast 9/1/2009
3800, Order produced 9/11/2009
4200, Shipped 9/11/2009
5000, Delivered to the dealer