Thread: This is no Yoke, it's a serious Muncie Issue

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Ok bad jokes aside from the title, I swapped out the saginaw 4 speed in the shop truck build (57' GMC) to a 68/69 Muncie 4 speed, both have the same splines, however my slip yoke will not go on all the way, at best 2" down the tail shaft of the muncie. upon further inspection i noticed that the splines on the saginaw run the full length of the tail shaft, while the muncie they run about mid way down the shaft, both same lengths.

so why oh why is the muncie splined only to the mid point, keep in mind there is no threaded hole on the end of the shaft for a hard mounted yoke. the yoke im using is (from what im told at the tech shop) the shortest length they make which is 5" from end of the yoke to the center of the housing for the universal. so is there another slip yoke i should be running? possibly one that is smooth/splined for the muncie to adapt to. im just not sure since the shop told me they thought it sounded like it should be a hard mounted yoke but thats not right either and all the ones i've seen for sale are universal for both saginaw and muncie?

I have seen some of the yokes that the splines are recessed in about 1-1/2". Maybe that is what you need.

You could call Dennys and check with them. I am sure that they would know.
Dennys Driveshaft Slip Yoke selection for automatic and manual Transmission and 4x4 Transfer Case applications

oh thank goodness someone else said it, was starting to think i was crazy cause that was my assumption talking to the shop too!

After a trip to the junkyard I found a recessed spline yoke! I swear that place has a lil bit of everything! Now the big question will be to make sure it fits

Originally Posted by OSK

After a trip to the junkyard I found a recessed spline yoke! I swear that place has a lil bit of everything! Now the big question will be to make sure it fits

Great score at the yard!!!! Must be one heck of a nice place to have pieces like that around. If you run into any other difficulties with the Muncie I've got a friend with one heck of a Muncie collection and a very thorough knowledge of what was and is available for them... Be glad to pass along his name and number if you should need it.....