And of course there is the borg warner T-16 HD 3 speed also, which was fully sync and took 375HP big blocks from the factory in 65-69


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