tvs setup with 2.7 on stock internals
Go turbo if you'r not willing to do E85 or Meth. Much better result will occur. Otherwise just drop down to a 2.8 on the M62 and get a damn good tune. Enjoy a 250whp FWD Cobalt.
im already at 295 whp with my setup i have now.
Wow hopefully a heartbreaker dyno. Either that or you're knocking hard haha. Peak timing like that is unheard of with that small of a meth nozzle.
Last edited by Bluelightning; Jul 10, 2012 at 02:09 AM.
i only made 21 more horsepower from the 2.9 no meth setup no knock at 27* went a little higher and there was some so went back down to 27* ive herd this dyno is heartbreaker
i got on the car today and noticed the boost is at 24 psi max with the 2.7 on it made the same boost with the 2.9 i also put on a over sized tensioner pully with the stage 2 belt in case it was slipping no change in boost



