Do they make an AOD to jeep D20? You would be able to make this work. Unless you have a ton of money into your rear axle housing. Ditch the 18 and go with a 300 or atlas or what ever else. I am still using an 18, mainly cause I got about 5 of them for next to nothing. If you don't need OD, you can get a C4-spicer18 adapter.
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