bison Well-Known Member Messages 5,709 Reaction score 184 Location Near Peace River-Alberta Aug 16, 2009 #1 What tranny should be in a 92 GMC 6.5td 2500 st cab 2 w dr ,8 bolt wheels,
merlin5577 Diesel > Gasoline Messages 322 Reaction score 1 Location Taunton, MA Aug 17, 2009 #2 I believe a 4L80 or a Th-400.
DieselCash Trust but, verify Staff member Moderator Messages 6,627 Reaction score 636 Location Salado, Texas Aug 17, 2009 Staff #3 the 6.5 always came in auto with a 4L80 http://en.wikipedia.org/wiki/GM_4L80-E_transmission