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Old 05-09-2024, 11:58 PM   #1
SkinnyG
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Join Date: Feb 2012
Location: Beautiful BC, Canada, eh?!
Posts: 2,267
Driveline angles: Is 0.5° really killing me?

I have a mild vibration between 59 and 61 mph. It comes and goes. It is not tire or driveshaft balance. It is not consistent.

My drivetrain is 1.7° pointing down and my pinion is 1.2° up. My driveshaft is 0.7°.

I built it with a small discrepancy to account for bushing compliance.

If I air the truck up or down it does not change the vibration.

Is the 0.5° really causing all my problems?
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1961 Apache: "Grabber Orange" Shortboxed, pancake, step-notch, air-ride, turbo, LS
1977 Silverado: Shortboxed & dropped, potato-potato
V8 Pontiac Firefly (Chevy Sprint): The ultimate engine swap: 5.7L in a 1.0L bag
Lotus Super 7 Replica: Scratch-built street-legal rollerskate
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