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1961 - 1966 F-100 & Larger F-Series Trucks Discuss the Slick Sixties Ford Truck

C6 Slip Yoke

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Old May 2, 2015 | 06:59 PM
  #1  
BushyTea's Avatar
BushyTea
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C6 Slip Yoke

Does anybody know where to find a C6 transmission slip yoke?

It seems I can find yokes that have the correct spline but then don't take the correct u-joint. I am needing a 31 Spline slip yoke but it needs to be for a 1310 u-joint. The shop said the original u-joint at the pinion on my drive shaft is a 1310 so that is why they are choosing that joint. Also, my output shaft width measures 1.355" and the seal diameter is 1 11/16".

I have not been able to find a slip yoke with all of the correct numbers. The shop modifying my drive shaft is having issue locating the correct slip yoke as well.

Any ideas or advice would be greatly appreciate.

Thanks in advance.
 
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Old May 2, 2015 | 08:13 PM
  #2  
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banjopicker66
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You can use a conversion joint if one part uses a smaller or larger size U-joint.
A conversion joint mates the two by having one set of pinions one size, and the opposite set of pinions the other size.
I assume your shop is dealing with a 1310 and 1330 mix, a common mix at that.
There are several places online that sell 31 spline slip joints.
 
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Old May 2, 2015 | 08:20 PM
  #3  
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Originally Posted by banjopicker66
You can use a conversion joint if one part uses a smaller or larger size U-joint.
A conversion joint mates the two by having one set of pinions one size, and the opposite set of pinions the other size.

I assume your shop is dealing with a 1310 and 1330 mix, a common mix at that.
C5TZ-4635-F .. U-Joint (Spicer# 210392-X) / 2 cups are 1310's, 2 cups are 1330's / Obsolete - available from auto parts stores using the Spicer part number.

This u-joint was factory installed on all 1965/79 F100's, 1975/79 F150's with a two piece driveshaft, takes 3 of them, front, center and rear.
 
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