Driveline

Driveline / Tech / Tech Articles

Axle Tech: Why and How To Upgrade Your Stock GM 12-Bolt Axles (and More)

[All images/Jeff Smith] Axles aren’t usually a topic of great discussion—until one fails or otherwise needs replacing. If you think about these overlooked components, they are often severely abused and […]

Driveline / Tech / Tech Articles

Banging Gears: 24 Tried & True Clutch Tips

Banging gears with a manual transmission is fun—if your clutch is up to the abuse, that is. When it’s time to replace or upgrade your clutch, these two dozen tried […]

Driveline / Tech / Tech Articles

Gear Doctor: Quick Guide to Diagnosing Common Ring & Pinion Issues

What grinds your gears? Is it prematurely worn or chipped teeth? Or an ominous clunking sound? These symptoms can be signs of a fairly serious problem with your ring and […]

Driveline / Q&A / Tech

Mailbag: The Cure for Off-Road Transmission Slip

You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, troubleshooting and troubled tranny. K.R. Denham Springs, LA Q: When going up steep, […]

Driveline / Tech / Tech Projects

Big Blue XJ Cherokee (Part One): Axle Upgrades

Produced from 1984 through 2001, the Jeep XJ Cherokee was a capable vehicle right from the factory. It came equipped with the 4.0L in-line EFI six-cylinder engine, a four-speed automatic transmission, a […]

Driveline / Tech / Tech Articles

Garbled Transmission: What Do Shift Kits Do? Do I Need a Tranny Cooler? (and Other Transmission FAQs)

The transmission is the little brother of the powertrain. It doesn’t often get the same respect or attention as the engine—until it starts acting up. You’ll most likely see dozens […]

Driveline / Q&A / Tech

Mailbag: Close Ratio vs. Wide Ratio Transmissions & More

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we cover the difference between close ratio and wide ratio transmissions and provide casting […]

Driveline / Tech / Tech Articles

Torque Converter FAQs: What is Stall Speed? How Does a TC Operate? (And Other Common Questions)

  Know what a torque converter does? Of course you do. It converts torque, right? It’s a converter of torque. It’s OK to admit you don’t fully understand what a torque converter […]

Driveline / Parts / Product Profiles / Tech / Tech Articles

Detroit Locker: History, Anatomy & FAQs About the Toughest Differential in Town

Back in the day, if you needed the toughest, most-capable differential on the street, you ran a Detroit Locker.  When you want the same kind of differential today, the choice […]

Driveline / Q&A / Tech

Mailbag: Choosing a Torque Converter for Nitrous Applications

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re talking torque converters: F.P. Elizabeth City, NJ Q: I am in the market […]