This is referring to my ZF conversion.

I have been told that the yolks on the zf are the same as the T-19...well they aren't, the retainers on the ZF are different than the originals. If I use the ones that came with the ZF, there is about a 1/8" gap between the cap and the retainer. But the old U-bolt style retainer that came on the old truck are too narrow to fit in the ZF yolk.

So....what can I do?

Are the driveshafts the same between a '85 and a '90? if so can I just get a U-joint for a '90 F-350?

If not, will I be able to switch the yolks from the T-19 to the ZF?

If neither of those will work, please tell me what will work or I'm going to loose it! ......Really, I will

Sorry for the long post, just trying to be as descriptivbe as possible.
Thanks

 

If you're dealing with a 2wd truck I would assume you could use the driveline out of a ZF equipped truck of the same wheel base as long as the rear-end yoke/u-joint is the same.

 

Do you know what truck the ZF came out of?

 

Go to the autoparts store with the dimensions you need for a u-joint. Many vairious sizes are available.

 

Came out of a '90 F350 that only had 90k miles, but the body was shot so the owner parted out the good stuff.

 

So take the U joint you have in your driveshaft, and the measurments you need for the ZF 5 down to the parts store.

Have them look up the U joint for a 90 F350 and compare your joint to that one.

I have never looked at what would be required on a two wheel drive swap, all the ones I have ever seen were in 4x4 trucks.