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While the bearing is cooling off clean the inside of the differential case with clean towels
(pic108 and 109)and now brake out the dial calipers cause you will need it to measure the width of the stock pinion gear and the new pinion gear(pic110and 111)the reason you do this is because the is a shim between the bearing and the back of the pinion gear. The stock pinion was 1.878 and the new pinion was 1.866 a difference of .012 smaller and the shim on the stock pinion .020 thick so I put a .030 thick shim on (pic112) so that the pinion setting depth would be within .005 this is another very important step to do because it sets the centering of the pinion gear to the ring gear to maintain maximum gear to gear contact on the heel and the toe of the gears. This dimension will be checked agine when the pinion is installed into the differential… NOTE EVERY CAR IS GOING TO BE DIFFERENT
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