Transmission conversion

old splicer

old splicer

Junior Member
I'm attempting to replace a non synchro 4 speed in a 51 F-1 with the light duty 3 speed topshifter, can I use the 4 speed rear trans rubber mount? It looks very similar to the rear trans mount on a 47 truck.
 
If you’re referring to the saddle shaped rear mount, the answer is yes…..as long as the truck is the F-1 half ton and not something bigger.
 
Yes if you can find one. You’d want to get the slip yoke too. Actually, the driveshaft from the 1948-52 F-1 would be the same.
 
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