Off Road & 4WD Glossary of Terms
There are currently 9 names in this directory beginning with the letter P.
Pattern refers to contact pattern between the gears. This contact pattern is used to see how the pinion gear is contacting the ring gear. By reading this print, you can determine if different shims are required to set up the proper gear mesh.
Pinion angle refers to the angle that the axle yoke is at compared to the drive shaft and the transfer case or transmission.
Pinion Pre Load
Pinion Pre Load is the amount of drag that is required to turn the pinion shaft. Drag is a load or resistance keeping something from turning freely
Changing the original stock tire size of your vehicle in order to enhance vehicle performance by allowing for fitment of larger wheels and tires. It is recommended that you keep the overall tire diameter within 3% of OEM tire size to prevent problems with transmission, gas mileage, and braking.
Posi is another name for a Limited Slip. The Limited Slip is basically a preloaded open differential. These units usually use a set of clutch springs to preload the spider gear set between 150-450 ft. lbs. This preload provides a breakaway setting. This breakaway is the force required to allow the axles to differentiate.
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