Differential Archives ~ Roadkill Customs

Differences Between Limited Slip Differentials

January 8, 2019 Roadkill Customs

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…]

Differential Contact Patch and Pinion Depth Explained

December 3, 2018 Roadkill Customs

Differential Contact Patch and Pinion Depth explained by the professionals at Driveline Master. [More…]

How To Install a Limited Slip/Posi Unit in a GM 10 Bolt 8.5″ Rear-end

November 27, 2018 Roadkill Customs

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 Install Ring and Pinion Gears in a Ford 8.8 Rear-End

November 26, 2018 Roadkill Customs

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 Measure Differential Pinion Depth

November 22, 2018 Roadkill Customs

How to use a Pinion Depth Checker to measure pinion depth on all stand alone differentials that are not part of a transaxle. [More…]

How to Box-In a Differential Rear End Housing

How to Box-In a Differential / Solid Axle Rearend Housing

November 9, 2018 Roadkill Customs

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…]

Differential Gear Ratio Calculator

February 3, 2016 Roadkill Customs

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 Select Proper Rear-End / Differential Gear Ratio

May 7, 2015 Roadkill Customs

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…]

Understanding Differential Gears

August 12, 2010 Roadkill Customs

I got into a discussion some time ago about welding a rear-end on a street vehicle – It became clear that the guy I was discussing this with did not fully understand how a differential works. This video was made in the 1930’s or so and is the best explanation I have seen to date. [More…]

Differential Identification Chart

March 27, 1997 Roadkill Customs

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. This differential ID chart shows AMC, Chrysler, Dana, Ford, and GM differentials. [More…]