| j.grif | -- 08-09-2014 @ 11:30 AM |
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differential pinion gears with 11 teeth match with axles with 16 teeth? differential pinion gears with 12 teeth match with axles with 18 teeth? Thats what I have and wondering why.Thanks
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| supereal | -- 08-09-2014 @ 2:07 PM |
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The pinion must match the ring gear, and the axles must match the gears in the differential spider. The eleven tooth pinion is used with a 39 tooth ring gear for a ratio of 3:54. I'm not sure what a 12 tooth pinion fits, as most common passenger cars are either 9 or 11. My best guess is that it is a truck part. This message was edited by supereal on 8-9-14 @ 2:08 PM
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| kubes40 | -- 08-09-2014 @ 2:27 PM |
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I too have never heard of a 12 tooth pinion gear. Not even for a truck application...
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| j.grif | -- 08-09-2014 @ 2:40 PM |
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Sorry Supereal,didn't make myself clear. I was counting the teeth on those little gears thatslide on the spider.One set of four has 11 teeth and the other set of four has 12 teeth each.
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| rotorwrench | -- 08-11-2014 @ 8:53 AM |
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Somwhere there in 38 the spider gears and axles changed tooth count (spider gears from 12 teeth to 11 & 18 tooth axle to 16). It was about the same time as the 10-spline pinion changed to the 6-spline type. The different tooth counts are not interchangeable with each other but they are interchangable as spider gear/axle sets in a complete rear axle assembly. The V8 differential carriers are all the same from 32 to 48.
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