The 3 sp. adapter is different than a sm465 adapter.I helped a friend years ago put a 4sp.in his 77 1/2 ton.It came with a NP205.He used the trans cover from the other truck also.I don't remember it being to bad of a swap.
But the 4sp. has to be a 4x4 trans.>tailshaft different on a 2wd.
__________________
68 K-10,79 K-10,80 C-30
57 chevy convertible
79 Z28
|