Rear-end Archives ~ Roadkill Customs

How To Fix a Leaking GM 12-bolt Rear-end Pinion Seal

June 4, 2019 Roadkill Customs

Does your rear differential leak gear oil everywhere? Do you keep installing a new pinion seal and having the same problem? [More…]

Bad Chad on Rear-End Fabrication and Welding Frame Components

May 31, 2019 Roadkill Customs

Bad Chad explains rear-end fabrication as well as how to properly weld frame components. [More…]

GM 12-Bolt Rear-End Positraction and Gear Swap

May 22, 2019 Roadkill Customs

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…]

1971 Ford F100 LS Engine and Suspension Swap ~ Questions Answered

April 18, 2019 Roadkill Customs

Crown Vic Front-End, Mustang Independent Rear-End, LS Engine Swapped 1971 Ford F100 Questions Answered with Part Numbers. [More…]

Pinion Snubbers ~ Mopar Traction Voodoo Explained

March 28, 2019 Roadkill Customs

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 Rebuild a GM 10 Bolt Chevy 8.5″ Rear End

February 20, 2019 Roadkill Customs

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…]

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…]

How to Narrow a Ford 8.8 Inch Rearend

November 9, 2018 Roadkill Customs

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…]

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…]

Speed Potential Calculator for Ring Gear and Pinion Changes

February 4, 2015 Roadkill Customs

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…]