ring and pinion setup?
#1
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Join Date: Nov 2007
Location: indiana
Posts: 123
ring and pinion setup?
on a gm 10.5 ring gear 14bolt full floater i got a new ring and pinion and the pinion has 2.224 on it can anyone tell me what shims i need i put it together without any and it is way loose
#3
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Join Date: Dec 2010
Posts: 345
Do you have a pinion depth gauge, if not then start with the old shims off the gears that was in there and check your hell to toe pattern. You should have a picture of it with new gears and go from there. The 2.223 is the depth from the center of the carrier bearings and the bottom of the pinion. Changing your side shims on the carrier will change your drive and coast patterns as well as your hell to toe. Hope this will help.
#5
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Join Date: Dec 2010
Posts: 345
What size is the gear. If you dont have a pinion depth gauge then put the pinion in use a set of dial calipars and you are going to like this one but if you have some bushing or seal installer you can put them in place of carrier bearings, slide a peace of tubing threw the holes and mark the tube at the half way, and measure from bottom of the pinion and the middle of tube and that should get you close to your pinion depth and what shims to start with. I have not seen to many rears that did not have no pinion shims. Well good luck and let me know if this helps.
#6
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RACING JUNKIE
Join Date: Jan 2006
Location: La.
Posts: 2,890
Don't know about the 10.5 ring gear rearend, but the other GM's start with a .015 pinion shim and most of the pinion gears are marked + or - from there. Ex. if the pinion is marked -.002 you need a .017 shim and Visa versa for a + marking. In the end it all comes down to contact patern, but that's the starting point.
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