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titancctx · 07-03-2014, 02:05 PM

I'm wondering if anyone else is interested in old Jeep CJs. I recently picked up a 1984 CJ7 that I'm in the process of slowly restoring. I'm not sure if I'm going to stick with the sturdy 258 or swap in a Cummins 4BT.

Unique_Carpenter · 07-03-2014, 05:15 PM

Keep the original engine, if you can. May add value if you can get it really cleaned up.
But if the engines worn out, maybe. Look at a rebuild cost just to understand options. Last, it's not just the engine you swap out, the whole trans has to swap out also.

titancctx · 07-03-2014, 05:45 PM

The engine runs really well and I pull 21 inches of vacuum at idle.

With the 4BT swap I know it's the engine, trans will be a dodge NV4500, adapter for the Dana, and new front and rear drive shafts. It won't be cheap, but will be unique.

I don't plan in ever seeking this thing. It's ride is horrible, but fun!