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Old 08-07-2020, 09:09 AM   #371
MDPotter
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Re: 1968 GMC - Ol' Blue

Quote:
Originally Posted by Leonard1 View Post
The vibrations at certain rpm's makes me think the driveshaft angles aren't matched. I don't remember how much you dropped the truck, but you may need a shim for the rear end?
I hadn't thought of that, but I don't think that's it because I've felt it at speeds less than 10 MPH.
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