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Old 10-04-2010, 10:43 PM   #1
76/85 Truck
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Join Date: Jun 2010
Location: Libby, MT
Posts: 163
Driveline Question

My truck vibrates around 55mph and the Four wheel drive shifter rattles pretty bad (because of the silver plate that rattles on top of the mechanism... I'm guessing it's to keep dirt out). And I noticed that on the trucks I've been looking at, the splines of the driveline are toward the transfercase.

On my driveline, the splines are toward the rear axle. Does it make a difference? Should I swap ends? I was thinking maybe this is causing it vibrate? I've had the tires rotated, wheels balanced, recently got new wheels and tires, and still, pulsing vibration around 55. Thanks for your help!
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Rich



My first truck!! 1976 Chevy 3/4 ton Camper Special and a 1985 GMC body. Has a 350, 4 BBL Edelbrock, with a Turbo 350, and NP205 T-case.
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