How To & DIY
How To Fix a Leaking GM 12-bolt Rear-end Pinion Seal
Does your rear differential leak gear oil everywhere? Do you keep installing a new pinion seal and having the same problem? [More…]
Differential
DIY Projects
GM 12-Bolt Rear-End Positraction and Gear Swap
Have a bunch of power under your hood? Are you only spinning one wheel on those burnouts? Solve all your one-wheel peel problems here. [More…]
How To & DIY
How To Rebuild a GM 10 Bolt Chevy 8.5″ Rear End
Tinman 2 Kustoms shows how to rebuild a 10 bolt Chevy 8.5″ rear axle in the bagged C10 using Yukon Gear & Axle components. [More…]
Technical Info
Differences Between Limited Slip Differentials
Most vehicles on the road today have some sort of differential fitted in the drive axle. As you go around corners the inside wheel always spins slower than the outside wheel because it has a [More…]
Technical Info
Differential Contact Patch and Pinion Depth Explained
Differential Contact Patch and Pinion Depth explained by the professionals at Driveline Master. [More…]
How To & DIY
How To Install a Limited Slip/Posi Unit in a GM 10 Bolt 8.5″ Rear-end
Installation of an Eaton Detroit Truetrac Limited Slip/Posi Unit into a 1987 Chevy C-10 truck with a 10 bolt 8.5″ Rear-end. [More…]
How To & DIY
How To Install Ring and Pinion Gears in a Ford 8.8 Rear-End
In this video DIY Guide, The Fab Forums go over how to install ring and pinion gears in a Ford 8.8 rear end. [More…]
How To & DIY
How To Measure Differential Pinion Depth
How to use a Pinion Depth Checker to measure pinion depth on all stand alone differentials that are not part of a transaxle. [More…]
DIY Projects
How to Box-In a Differential / Solid Axle Rearend Housing
You’ll learn how to fabricate and weld on steel plates to stiffen the rear axle and prevent it from torquing when under load [More…]
Technical Info
Differential Gear Ratio Calculator
Enter the maximum potential safe engine RPM. Enter the tire size diameter and the target vehicle speed in MPH. Click “Calculate Differential Gear Ratio”. The value will be returned in estimated differential gear ratio, based on the entered values. [More…]
How To & DIY
How To Select Proper Rear-End / Differential Gear Ratio
A number of factors must be considered when selecting a rear-end gear ratio (ring & pinion set). Tire diameter, transmission choice (with or without overdrive) and desired highway cruising speed. [More…]
Automotive Basics
Understanding Differential Gears
The guy I was talking with was a young hot rodder. He heard that welding a rear-end really helps a ride “hook-up”, but that’s all he knew. [More…]