 The easiest way to determine your gear ratio is to check the tag that's bolted to the front differential cover. On the tag you should see some numbering such as 3.54 or 3.73, either of those numbers would indicate the stock axle ratio. To verify this (your gears could've been changed,. wrong tag, etc.), jack up the rear axle and support it with jack stands. With the transmission in neutral, rotate the rear driveshaft by hand. Count the number of driveshaft revolutions required for one revolution of the tire. If the driveshaft turns approximately 3-1/2 times, you have a 3.54 ratio, etc. It's helpful to use a grease pencil or chalk to make a reference point on both the tire and driveshaft.
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