Re: T18 to Dana 20
There are 3 styles of T-18's for Fords, that may or may not be interchangeable due to bolt patterns, input-shaft lengths, and rear face designs. The T-18 and early-model (1953-66) T-98 are basically the same except in the way the main shaft is supported. This is a fairly compact transmission with a cast-iron case. Its extremely strong design makes it very popular, and it's easily adapted to a variety of applications. The left side of the case is stamped T-18 or T-98. A PTO access plate can be found on the left-hand side.
The easiest thing to do would be mate it with a np435, but if your set on going with the T-18, then try to find one out of a 2wd pick-up and it will match up with the 302 3 speed housing and clutch linkage.
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