Does anyone know if the the 396 will bolt to the stock 3speed saginaw? What about the cluth fork? Are they different? Ive heard the motor mounts are the same? Anyone done a big block conversion? Ive got the 230ci in the truck now. Also...short of removing the the cover on the rear diff...I've got the stock 12bolt is it a posi?


http://s971.photobucket.com/albums/ae197/jon63c10
1963 c-10 shortbed stepside 427 BBC T16 HD 3 speed
1963 c-10 shortbed fleetside 348 "w" 1st gen big block & powerglide