Dec 8, 2010 #1 E ethan Member Joined May 19, 2008 Messages 340 Reaction score 0 Points 16 i got a 1990 gmc obviously. it has a 305 in it. the transmission is only a 3 speed auto. im just trying to figure out if its the 700R4 or not. some people told me it was but others said it was a 4L60. i honestly have no idea.
i got a 1990 gmc obviously. it has a 305 in it. the transmission is only a 3 speed auto. im just trying to figure out if its the 700R4 or not. some people told me it was but others said it was a 4L60. i honestly have no idea.
Dec 8, 2010 #2 R randyw New member Joined Aug 5, 2008 Messages 20 Reaction score 0 Points 1 my guess is that it is not the 700R4 as it is supposed to be a 4 speed.
Dec 8, 2010 #3 R randyw New member Joined Aug 5, 2008 Messages 20 Reaction score 0 Points 1 my guess is that it is not the 700R4 as it is supposed to be a 4 speed.