I have a 62 3/4 ton, long wheel base PU with a one piece drive shaft. I was told that these trucks came with a two piece dive shaft.

I had a really bad vibration and just learned that the bushing at the back of the 3sp trans was bad. I suspect that the one piece drive shaft (had it balanced a while back) created the problem but I don't know for sure.

Does anybody know for sure if this truck came with a two piece shaft?

Should I replace it with a two piece drive shaft?


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