Q: The culprit is a 1989 GMC 1500 4×4 with a 350, automatic with overdrive, a 3.42 axle, and over 150,000 miles. It has recently developed a powerful thirst for […]

General Motors will offer the 2019 Chevrolet Silverado and GMC Sierra 1500 pickups with the option for a new four-cylinder turbocharged engine capable of running on two cylinders. The 2.7L […]

The LM4 is a 5.3L, Gen. 3 small block engine used in GM trucks between 2003 and 2005. It’s is very similar to the LM7, except that it’s built on an […]

Whether we’re talking about your engine, axles, transmission, or anywhere else they’re found, bearings have a very, very, very important job. That job, for the purposes of this article, is […]

Q: Recently, I purchased a vintage Chevy Impala. It’s a pretty big car, so I decided to swap the small block 350 with a big block 454. I had a […]

The water pump wizards over at Tuff Stuff Performance field a ton of questions about things like pump sizes, flow rates, belt routing, and all sorts of other cooling-related issues. […]

Back in the day, a breaker-points ignition system regulated by a mechanical distributor was what controlled engine timing. While that system worked o.k. for its era, “points” ignitions are now […]

A check valve is a fundamental component of a compressed air system—whether that system is intended for inflating tires, powering air tools, or driving a set of air horns. The […]

Q: I have a third-gen Chevy Camaro RS. I’d like to build a 350 for it that puts 400 horses on the ground, and I’d like for it to be […]

The ladies dominated the NHRA nitro categories as Leah Pritchett and Courtney Force were victorious in Top Fuel and Funny Car Sunday at the 38th annual NHRA Southern Nationals at […]