well it probably still is..but the power to weight ration gives you the advantage
there is a lady in town that has a ss impala with the ls4 even tho im stock i won from a roll idk if she was giving it everything it sure sounded like it tho
97-03 GTP 3400ish, vs GXP 3600ish (not including drivers)im curious of this weight disadvantage the gxp has
I've been trying to drive with a light foot to save some gas. Was averaging 21.0 mpg before that night, but my car sat idle for 10 mins and went down to 19.6. Up back to 20.6 tonight. But ya I wanna go to the track this summer for sure. Would be fun. And yea, colder ngk plugs, SD headers, CAI, 3.4, canned zzp tune as of now.