1990 360 Hydraulic roller motor. I currently run Comps 20-614-9 .480 lift cam 210/220 duration, MP dual plane, holley 650, MSD 6al and dizzy, 3.91 in my 68 fastback. Stock 308 heads. Torque converter is "saturday night special", not sure what stall, i heard 500 over stock, what is stock(727). headers too. I dont think I'm that far from stock.