I was just about to post a reply and tell you that these guys had given you the straight skinny. I looked at your web page, in your profile. !!!!!!!!!!!
Supercharged small block.
Late model master brake and booster tells me to look for at least front discs.
Very nice looking truck with before and after pictures. You asking us what size clutch you have is telling me that you may have had someone else do the engine for you.
Doesn't a '66 have a non-syncro 1st 3 spd. It seems like that would be the last trans you would want behind a supercharger.
Either talk to the guy that did your supercharger or call one of the big clutch boys. Centerforce, Hays or Mcleod and then stick a Tremec or Richmond behind it.
