Fantastic, Thank ya sir, You got your car into 13's with 3.5 yet? Can i go mid 13's without rockers?
i havent had a chance to take it to the track yet on the 3.5/headers/tune but ill let you know
if you want a guaranteed 13's go 3.4/cam(with #105 valve springs)/headers/intake/tune
2002 Grand Prix GTP: 3.5 MPS, SD headers, 180* t-stat, HAI, AL104's, Reptile Tune (SOLD)
2004 GTO: Stock, slow and purple.
see the TehBlacknPurplecar here ->>>http://www.grandprixforums.net/threa...slow-car/page8