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Old November 9th, 2005, 01:50 PM   #7
do i look old !
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Join Date: 11-05-05
Location: West Branch Mi
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1st off any thing put in the inside the shaft is going to cause more problems then it solves . Centrifugal force will bit your butt at relativly low speeds .

I have built shafts for the ZJ and shakers Blazer . nevether has any vibrations at road speed .

Make sure your u joints are timed when you put it together . Ujoints must run together not a 1/4 turn out of sink . That is the number 2 thing i seen cause vibrations on a shaft .

U joints have a hormonic , they need to cancel each other out . note how the yolks are placed in relation to each other before seperating the shaft .
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