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Old 05-16-2017, 10:45 AM   #30
Keith Seymore
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Join Date: May 2009
Location: Motor City
Posts: 9,142
Re: Checking Driveling Vibration & Calculating It.

Quote:
Originally Posted by Port&PolishMan View Post
Small Variations ,( My Garage isn't Level with the World . )
Doesn't matter; the angles are relative to the driveline components, not the world.

Quote:
Originally Posted by Port&PolishMan View Post

Vibration does seem ( Feel to It ) to be ( Twice the Speed of the Wheels )
Not twice the speed of the wheels; twice the speed of the driveshaft (or 2x engine rpm for a 1:1 transmission high gear ratio).

K
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