But actually, now that I think about it. If the balance of a tire were off, it would vibrate all of the time or once past a certain speed. This only happens during hard acceleration. I have been driving this rental car so long I'm beginning to think this was all my imagination.

99 Black SVT -3L Hybrid w/.5mm overbore, Spec clutch/flywheel, MSDS, BAT intake, K&N open, 17'Konig Tantrums, DMD, Opt. TB & Y, Powerslots, Bassani w/ magnaflow res. 96 SE MTX- "The War Wagon" "I'm in love with my car..." -Queen