Builds and Examples
1971 Ford F100 LS Engine and Suspension Swap ~ Questions Answered
Crown Vic Front-End, Mustang Independent Rear-End, LS Engine Swapped 1971 Ford F100 Questions Answered with Part Numbers. [More…]
Rear-end
Technical Info
Pinion Snubbers ~ Mopar Traction Voodoo Explained
To snub or not to snub. The How’s and Why’s of Chrysler’s most traditional traction device, with insight from F.A.S.T. Racing’s Dave Dudek. [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…]
Uncategorized
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…]
DIY Projects
How to Narrow a Ford 8.8 Inch Rearend
The Ford 8.8 is quite possibly the most DIY friendly rear axle out there: they are cheap to modify and replace parts on. This covers strip-down, measurements, cutting and welding [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…]
Technical Info
Speed Potential Calculator for Ring Gear and Pinion Changes
This calculator is designed to give the potential speed values of a vehicle, based on the RPM of the engine, the ring gear and pinion gear ration, the final transmission gear ration (usually 1.00) and the tire diameter, ground to top of tire as mounted. [More…]
Technical Info
Rear-End Widths of Classic American Cars
Rear-End Widths of Classic American Cars including Chevy, Ford, and Mopar. [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…]
Technical Info
Axle Flange Housing Identification
Use the figure to help identifyChevrolet, Ford, Oldsmobile, Pontiac axle flanges. [More…]
Technical Info
Differential Identification Chart
Your differential is the set of gears that allows your vehicle’s driven wheels to revolve at different speeds by splitting your engine torque in two directions. [More…]