Quote:
Originally Posted by WaterDR
Have you ever dynoed a stock Cobalt SS or one with a Stage 2 upgrade?
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nope... but I'd bet it pushes out 20% less to the wheels than the factory rates it at at the crank.
EDIT: Did a little searching and found a 07 cobalt ss with a few bolt-ons and a helluva lot of tuning running 16 1/2 lbs of boost making a laughable 214/237. Sorry but while they're feeding the fuel for 300hp, they're not quite there. Closer to making the 260bhp that it was advertised at.
Found another with the GMPP stage 2 set and a tune and bolt ons making 249/224
These cars are weak sauce. If you have to put 16lbs of boost into a motor to make 220-240hp you're wasting your time. The car weighs about as much as a mustang (a couple hundred lbs diff) too so you end up with those barely-pump-gas drinkin 4 bangers turning in 13.9-14.1 second time slips.