Transmission swap
#1
Transmission swap
I recently bought a 1990,2500,4x4,w/6.2 diesel. it has a 3 speed trans. and sounds like an airplane at 70 mph. does anyone knw if it is possible to put an overdrive trans. in it and all the electrical work right with the shifting? any help would be great. thanks. Also this truck is the Z71 package. I have never seen a 2500 Z71 in this year model. Has anyone else? I thought the Z71 came a little later?
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