Not the low crawl ratio t-18 - 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 10-04-1999, 08:04 PM
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Not the low crawl ratio t-18

I've got a cj-t18 from a 1976 cj7. I know it does not have the 6.34 first gear, but it is still an improvement over the t-150. My question is there a gear that can be changed in my trans to give me the lower ratio? From a Ford perhaps?

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post #2 of (permalink) Old 10-04-1999, 08:11 PM
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Re: Not the low crawl ratio t-18

Yes, all of them. The countershaft is all one piece, negating the option of replacing only one set of gears. Not to mention the fact that the other ratios are slightly different as well.

post #3 of (permalink) Old 10-04-1999, 10:21 PM
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Re: Not the low crawl ratio t-18

Probably the least expensive thing you can do is find a Ford T-18 from a 2WD truck. You then disassemble
both it an your Jeep T-18. You reassemble all of the Ford parts except the mainshaft, use the Jeep mainshaft,
into your Jeep case. Voila, you have a 6.32:1 Jeep T-18!

You could also use the Ford case and tap it to mount the tranny-tcase adapter. Use the same internals as for the
Jeep case. This might make mounting the tranny to your bellhousing easier as the Jeep T-18 uses a unique bolt
pattern, but the Ford T-18 is the same as the T-150.

I've got a Ford-cased T-18 built this way (actually used Scout T-18 mainshaft and adapter) waiting to go in my CJ.

Jim Kyser
[email protected]
1946 Willys CJ-2A
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