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Drivetrain

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Back to the Basics: 1937 Film by Chevrolet Explains the Differential

This 1937 GM employee training film still does a great job of explaining differential basics just in case you need a refresher or ditched auto shop class that day. This video is a classic and still holds valuable insight into the challenges early automotive engineers overcame in every little design element.

RAlead

Building a Muscle Pak Rearend With Moser Engineering

Moser Engineering and their popular new Muscle Pak line of complete, assembled rear end housings that take the hard work out of building a housing so that you can spend more time enjoying your ride and less time under it, and today, we’re taking a look at the options and the assembly of one of these housings.

4L60 Transmission

“Getting Shifty”: GM Automatic Overdrive Transmission Tech

The 4LXX automatic overdrive transmissions are a great way to “get shifty” no matter what you use your car for. In stock form they are great for mildly modified street cars, and they can be modified to take a beating from 1,000 plus horsepower engines. We talked with three top trans builders to get all the inf

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Video: Centerforce University – Max Performance Clutch Tech

The fifth and final episode in our Centerforce University series takes you to the outer limits of clutch performance with a look at what’s involved in building a race clutch that won’t act like a one-leg Stair Master…

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Video: Centerforce University – Street Clutch Technology

Welcome back to class, and the 4th episode of Centerforce University. In this installment, Professor Baty will guide you through the key elements of choosing the right clutch for your street driven ride – helping you to find the right balance of torque capacity and streetability.

Flywheel

Video: Centerforce University – Picking the Right Flywheel

An aftermarket flywheel can improve performance and safety, but picking the right part is more involved than just asking for the lightest, trickest piece of hardware available for your car. Follow along as we get schooled in the science of flywheels with Centerforce…

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Centerforce University #2 – Proper Clutch Break-In Procedures

In this, the second installment of Centerforce University, we will go over how to properly break in a new clutch once you have it installed. We will also discuss some of the ugly consequences of failing to properly break in your clutch. So step inside, because class is back in session…

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What Makes For a Good Hot Rod Overdrive And How To Install One

This story is all about high-performance overdrive automatics. Modern automatic transmissions go far beyond the old slushbox technology inside the typical TH350 or C4 you find in most hot rods. We talk with Gearstar and TCI as well as show to custom install a late-model overdrive in your classic.

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Centerforce University #1 – Get Schooled on How a Clutch Works

Welcome to Centerforce University, where we will bring you all the clutch knowledge your gear-filled head can hold. In this, the first of five installments of Centerforce University, the experts at Centerforce give us a quick rundown of the basics of exactly how a clutch operates.

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Tremec’s T-56 Magnum: 6-Speeds and Big Torque for Street or Strip

The Tremec’s T-56 Magnum has all the improvements. And yes, in some dimensions, it’s bigger. So now, we can have six speeds, and allow our better engines to use more of their improvements doing what they like to do: pushing pavement behind us.

RA TCI

An Inside Look to How a Torque Converter is Built

Torque converters are the component that made the modern automatic transmission possible, transferring power from the engine to the rest of the drivetrain without the use of a clutch. Even though we’ve all used them, few of us understand what’s actually going on inside or how they’re built.