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Just picked up a 8 in differential that has a set of 3:55-1 gears. It is an open differential but the car of mine needs some gear to get it moving considering the Comp Cams 270hr and the Toploader. The 66 Mustang should do fine. So what type of wear pattern is normal for a set up. It has the yellow paint on the gear but not sure what to look at. Bearings etc have been replaced .


Greg
 

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Gear patterns in the center are obviously good, but they can run off the ends (heel or toe of the tooth) and be fine. What you don't want is the pattern off the top (tip) or bottom (root) of the teeth like the pics below.

David

 
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