Quote:
Originally Posted by Old_iron
I discovered the problem. The front drive shaft is binding due to the 4" spring lift installed last year. Attached are some pictures showing the worst that the problem is with the axle in a certain position. Also showing the impact points at the joints.
As you can see it's not even close. Everyone said that the front axles are fine for a 4 inch lift. Maybe the 68 GMC K20s are different, possibly because it had a very heavy V6 in it stock which made it ride lower??
What do I do? Grind some relief into the yoke parts? Find a different driveline from a later model?
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try turning the shaft around, slip yoke towards differential, may help, or you may have to go with the cv joint style , that shaft looks bigger in diameter compared to most ive seen on the front