ring and pinion

Back in the day, the common way to select rear end gears for a car was downright simple: In an automatic, whatever ratio was in the transmission, was in the […]

Gear and driveline noise can be a funny thing, because it may only be noticeable during certain driving situations. And ring and pinion gear noise that occurs only on deceleration […]

Q: I have a 1970 El Camino with a 12-bolt differential and 4.11:1 ring and pinion. I’m not sure if it’s the original gear ratio, but I want to change […]

Installing a set of ring and pinion gears is a job even the most seasoned mechanics get nervous about, and one of the most important aspects of the project is […]

No matter what your reason for wanting to swap your ring and pinion gears, there are some basic — but critical — things to note, understand, and prepare for before tackling […]

US Gear recently announced it will sell off-the-shelf gear sets with Isotropic Superfinishing (ISF) treatment. For many, this news begs the question: What the heck is Isotropic Superfinishing? For those […]

From no-frills military hero to American automotive legend, Jeep has come a long way in its 75 years. There have been some incredible Jeep models, which you can see here. And there […]

Changing the gearing in your differential is one way to add serious performance to your vehicle, whether you’re looking for quicker launches for races or lower rpm for increased street-cruising […]

Got questions?  We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re swapping IROC-Z components into a 1980s Monte Carlo. Q: I’m restoring a […]

In this edition of Summit Racing Quick Flicks, Mike will teach you how to select the best gear set for your vehicle. Learn how to figure out what gear ratio […]