427 small block, all aluminum, 623hp, pump gas

[holmespine]

I didn't think a richmond 6 speed could handle that much torque??? i thought its recomended max torque was 450... nice engine!!!

[68sixspeed]

Originally Posted by holmespine

I didn't think a richmond 6 speed could handle that much torque??? i thought its recomended max torque was 450... nice engine!!!

they tend to be a bit under-rated. Maybe leaving at the drag strip on full slicks with a 2-step set at 6k would be a problem, but as long as you don't dead hook them its good. Plus with a light motor the car is only 3150 lbs. thanks- Dan