How big should the drive shaft yoke be?
When the drive shaft is properly installed, the length of the yoke should just allow you to move it forward into the transmission to allow removal of the rear U-joint from the rear end. So 1.5 inches sounds quite a bit shallow, and could put some extreme amount of force on the rear transmission seal and the front U-joint.
How to measure the diameter of a transmission slip yoke?
Diameter measured over bearing cap space. Distance measured between snap ring grooves. Cap Diameter. Use this information to select your transmission slip yoke. or call 574-287-9650 for assistance.
How long should TH350 style driveshaft yoke be in trans?
Stock driveshaft length in the later models was 48.5 center to center. Not 100% sure about the early stuff. the crossmember is the same auto vs 4 speed. My driveshaft is indeed the 48.5 c-c length. It looks a little short but I have been driving the car around and it does not vibrate at all at speed or leak so thats a start.
Which is longer 727 Mopar or TH350 yoke?
The 727 Mopar yoke is more than twice as long as the TH350 yoke. A picture and/or measurement of how deep your yoke is would be appreciated if anyone cares to measure! Also an accurate measurement of your driveshaft from center to center on the U joints on the shaft itself.
When the drive shaft is properly installed, the length of the yoke should just allow you to move it forward into the transmission to allow removal of the rear U-joint from the rear end. So 1.5 inches sounds quite a bit shallow, and could put some extreme amount of force on the rear transmission seal and the front U-joint.
What happens when you change the transmission yoke?
If the drive shaft isn’t rebalanced with the new yoke, drive shaft vibration is likely. But if you’re going to the trouble of buying a longer yoke and rebalancing the whole shaft, you might as well just replace the whole thing (along with the 4-link upgrade).
Diameter measured over bearing cap space. Distance measured between snap ring grooves. Cap Diameter. Use this information to select your transmission slip yoke. or call 574-287-9650 for assistance.
Stock driveshaft length in the later models was 48.5 center to center. Not 100% sure about the early stuff. the crossmember is the same auto vs 4 speed. My driveshaft is indeed the 48.5 c-c length. It looks a little short but I have been driving the car around and it does not vibrate at all at speed or leak so thats a start.