automatic trans, i built this motor over 9 years ago, its been sitting on an engine stand ever since, put it in the truck and it fired right up, i was 13/14 years old when i built it. so i don't remember everything that was in it. first motor i ever built. heads cc i don't know, mallory uni-lite dist. i have set at 23 degrees adv., fuel reg. is set at 6 psi., no i didn't degree the cam.