Project AE86 Restoring the Rear End
The rear end of our AE86 was showing its age. It was really rusty and crusted over from almost 40 years of neglect. We were really worried that the axle…
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Differential and Final Drive
22 posts
Project AE86, Updating the Drivetrain with SQ Engineering and Battle Garage
The T50 transmission in our AE86 was making some whining noises and had stiff and crunchy shifting. Being 40 years old, it probably needed some rebuilding. The trouble is T50…
Project FD RX7 Restomod: Part 16 – Installing the Ronin Ford 8.8 IRS Mount Kit using DSS Axles
We busted out the TIG welder and installed the Ronin Speedworks Ford 8.8” IRS Mounting Kit. Then we shipped off the subframe to get powder coated before installing the show…
Project FD RX7 Restomod: Part 15 – Building the Ford 8.8 Differential with a Detroit Truetrac LSD and WPC
We take a junkyard Ford Explorer 8.8” differential and transform it by installing a Detroit Truetrac limited slip differential, hand deburr the ring and pinion gears, WPC treat the gears…
Project FD RX7 Restomod: Part 14 – When to Upgrade the Differential
The FD RX-7 has many drivetrain limitations that start to fail as power approaches double the factory output. Upgrading to a Ford Explorer 8.8” differential actually makes a lot of…
WATCH: Project Jeep Update! Stretched | Tons | 40’s | Atlas Transfer Case | Suspension | Armor & More
We know this is kinda the opposite of what you normally see around here, but we have “off pavement” interests here too! It’s been a long time since the…
WATCH: How a Wavetrac Differential Works (and why you want one for your GTR!)
In this weeks video we have Chris from Wavetrac at our shop to show us the guts of a Wavetrac limited slip differential and how it works! If you…
WATCH: How the Nismo GT Pro Limited Slip Differential Works… And Why You Want One!
This week Mike takes apart a Nismo GT Pro limited slip differential to show how it works and shows us a few unique features to the Nismo diff that…
Project Budget 400WHP S197 Mustang Track Car: Part 5 – Upgrading to an Eaton Truetrac LSD
A performance Limited Slip Differential is a MUST for making 2005-2014 (S197) Mustangs handle predictably. We replace the weak factory LSD with Eaton’s TrueTrac helical (gear-driven) LSD which will transform…
WATCH: How the OS Giken Differential Works and How to Tune it!
In this video we have a torn down OS Giken limited slip differential we’ll be installing into a customer car, but before we do Mike is going to show…
Bulletproof Your Rear End!
Nowadays as technology has enabled us to extract previously unheard of power levels out of our engines, the once rare failure of the ring and pinion gear in the differential…
What is WPC Treatment and Why Do We Use it?
Wonder why we use this mysterious WPC Treatment on so many of our engine builds? Let us explain what WPC is and how it works. It’s an inexpensive…
Project DC2 Integra- Getting More Grip With OS Giken and Better Response With Centerforce
Project DC2 Integra- Getting More Grip With OS Giken and Better Response With Centerforce by Mike Kojima With our DC2 Integra rocking a state of the art suspension, it was time to…
TESTED: Steeda Anti Wheel-Hop Package
First iterations of new technologies are rarely flawless. When the Mustang ditched the solid axle in 2015 in favor of a 21st century Independent Rear Suspension, it transformed into a…
Project Fiesta ST, Improving the Drivetrain with Mountune USA and SPEC Clutch
Project Fiesta ST, Improving the Drivetrain with mountune USA and SPEC Clutch by Mike Kojima If you have been following our series in the transformation of our Fiesta ST from…
Project Tundra, Getting More Grip with an Auburn Gear HP Limited Slip Differential
Project Tundra: Getting More Grip with an Auburn Gear HP Limited Slip Differential by Mike Kojima Supercharging Project Tundra is one of the best things we have ever done to…
Project 370Z- Improving Grip by Tuning a Cusco RS LSD!
Project 370Z – Improving Grip by Tuning a Cusco RS LSD! By Mike Kojima So far with our Project 370Z we have been focused on dialing in the chassis. After…
Project EJ Civic, Building the Drivetrain
Project EJ Civic, Building the Drivetrain By Mike Kojima Annie’s Civic had seen tons of street and track miles, over 200,000 miles since she had completed her B series swap…
Bulletproofing a Ring and Pinion Gear
Bulletproofing a Ring and Pinion Gear by Mike Kojima Our friend Pro Drifter Walker Wilkerson was having a problem. As of late he has been plagued by drivetrain failures…
Project Nissan 350Z Part One: Installing an ACT Clutch and a Nismo LSD
Project Nissan 350Z Part One: Installing an ACT Clutch and a Nismo LSD By Mike Kojima Our friend Sera is a stuntwoman by trade who does a lot of driving…
Dai Yoshihara’s Two Week Wonder, GT Channel’s Time Attack 350Z
Dai Yoshihara’s Two Week Wonder, GT Channel’s Time Attack Nissan 350Z By Mike Kojima Pro Drifter and Formula D ace Dai Yoshihara is used to working on tight deadlines. Perhaps…
Project NSX: Part 2 – Tuning a Limited Slip Differential
In part one of Project NSX we went through the transmission of our NSX to address some of its weak points – following the guidelines in our “Building the Bulletproof…