T18 parts - Off-Road Forums & Discussion Groups
Jeep-Short Wheelbase All discussion of short wheelbase Jeeps: CJ, TJ, YJ and JK

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post #1 of (permalink) Old 12-14-2000, 12:01 PM Thread Starter
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T18 parts

My t18 ate the bearings in the countershaft and tore up the case. I am trying to find a replacement case, and think I might use a ford t18 case. What are the differences between a ford t18 case and cj t18 case? What is needed to modify the ford case for the dana 20? Where can I find a replacement countershaft?

Lugnut 77 cj5
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post #2 of (permalink) Old 12-14-2000, 02:00 PM
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Re: T18 parts

The ford countershaft is the same as the jeep countershaft, aslong as it is the same ratio (close or wide). The ford case is different from the jeep case, to use it you will need to overcome two problems: 1 the rear face of the ford case will need to have the existing bolt holes plugged and new holes drilled to mate with your dana 20 adapter plate. 2 the ford case has no provision for a rear mount, you will need to figure out a different method of attatching the rear transmission mount.

good luck, jjc

post #3 of (permalink) Old 12-14-2000, 03:07 PM
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Re: T18 parts


Go to the off-road.com tech pages. It is full of info on both the CJ and Ford T-18. In short, the two trannys are close but not the same. The Ford will bolt to the CJ bell housing for the years of 77,78,and 79 without an adaptor. A special pilot bearing is needed as the Ford shaft is slightly shorter than the CJ. Advanced Adaptors has one. You will need to modify the back end of the Ford to get it to bolt up to the D20. Again, Advanced Adaptors has what you would need.

Good Luck!

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