Join Date: Apr 2006
Location: Florence, Kentucky
I picked up .3 in the 1/4 going from stock 3.08 to 3.73. Gas milage did not change but I do mixed driving, city and highway. I'm sure I lost some mpg on the highway but you'll actually pick some up in the city.
Cervini 2.5" cowl, Pro 5.0/Hurst shifter, exhaust goodies, 3.73, full length subs, Eibach drag launch kit w/air bags, 31-spline diff, MT ET streets, stage III ported windsor jr's, stealth intake, Jay allen custom cam, 670 street avenger, 297rwhp/293rwtq