1991 Z28 factory with 5.0 tpi. pulled 5.0 out dropped in a 350 .060 over with a stroker crank. h beam rods and 12:1 forged pistons. 305 heads ported and polished edelbrock tes headers magnaflo cat flomaster muffler. converted to disk in the rear yet have not changed gear ratio. very very modded 700r4 full manual shift 2800 stall converter. dyno'd at 380 hp and 475 torque at rear wheels.