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Discussion Starter · #1 ·
I am swapping the T150/D20 from a 78 CJ7 into an 81 CJ7 and the T176/D300 from the 81 into the 78. It look as if I keep the driveshafts with the transfer cases they came with that this is a no-brainer. However, nothing is ever as easy as it looks. Has anyone done this swap? What other potential pitfalls should I be aware of?

jay2jeeps (both currently dissassembled)


Discussion Starter · #2 ·
Well, I just swapped in a t176 into a '80CJ7. Not completely sure if this will help, since my factory tranny was a SR-4. First of all, you're right, keep the driveshafts with the respective trannys. I had better luck (working by myself) installing the tranny without the tcase, then attaching the tcase before raising it into final position. The off-center tcase wants to twist the tranny & it's a bear to line up.

The biggest problem was the skid plate - the mounting holes on the frame from the SR-4 didn't line up. You can either drill new holes in the skidplate or (like I did) install new captive nuts in the frame (requires holes cut into boxed frame to weld in nuts - the holes are afterward patched over).

Every thing else bolted up.

That's it!

'80 CJ7
'84 CJ7
'76 Scout
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