3400 chevy50 chevy coup 3 speed auto 400 with 3800 stall 27 tall tires 390 gear with a blown 548 cid 10to1 CR rework rec port heads solid roller 700/700 @268 /275 110 lsa .B&M mega blower two AFB 750s 10 pounds of boost enough HP and TQ to drag a two story house down the road . better then 12 mpg if you can keep your foot out of it and under 60 mph