General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. inch, inch, inch. Our experts will help you find the correct ring and pinion set for your particular application. Give us a call at to get started. We have a large selection of gear sets in stock and can recommend the correct.
How to Choose Your Axle Gear Ratio
You should be able to find your gear ratio listed on the axle tag, however, if that has gone missing, you can simply count the number of teeth on each gear and. In simple words, the gear ratio can be expressed as the ratio of the number of spikes in the larger gear to the ratio of the number of spikes in the smaller gear or pinion. The larger and smaller gear here denotes the driver and the driven one, respectively. This ratio can also be portrayed in several ways, like- wheel revolution to the engine, angular speed ratio, etc.
Jun 22, · Remove quick change gears. Chalk mark the tire at the 12 o’clock position. Chalk mark the pinion at the 12 o’clock position. Rotate the tire by hand 1 complete revolution. Count pinion rotation as tire is rotated. Just past 4 revolutions = or ring and pinion. 4 – ½ revolutions = Almost 5 revolutions =