Gear ratio check
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==Counting the teeth on ring and pinion== | ==Counting the teeth on ring and pinion== | ||
| − | If there is a removable cover on the differential, removing it and counting the teeth on the gears is the most reliable method. | + | [[File:Remove rear diff cover.jpg]]<br style="clear:both"/> |
| + | If there is a removable cover on the differential, removing it and counting the teeth on the gears is the most reliable method. Count the teeth on the ring gear and the pinion gear, then divide the ring gear tooth number by the pinion tooth number to find the ratio. | ||
*For example: | *For example: | ||
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40 divided by 13 = 3.08 | 40 divided by 13 = 3.08 | ||
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| + | On some ring gears, there will be a pair of numbers stamped into the outer circumference that will be the tooth count. It may look like 41:10 or 41-10, etc. | ||
| + | [[File:45-11 ring gear stamp.jpg|border|left]]<br style="clear:both"/> | ||
| + | Ring gear stamped with tooth count: 45-11 = 4.09:1 ratio, for a Dana 44 differential. | ||
==Rotating the tires method== | ==Rotating the tires method== | ||
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