Originally posted by SiR-DC2
Okay, this will answer your q.
LS 80mph=3500rpm
GSR 80mph=4000rpm
Si 80 mph=4500 rpm
ITR 4.7FD 80mph=5000rpm
Rough estimates but VERY close to the truth, now, tell us what tranny you have.
thanks for the info.... i dont drive on the fwy much, but ill try to tonite. i dont really wanna jack up my car cuz its raining outside