We may receive a commission on purchases made from links. Decades ago, when cars and truck engines used solid lifters, a cacophonous drivetrain was to be expected. However, solid lifters were phased ...

Sorry, solid lifters, you make a wonderful typewriter clack and allow for intoxicatingly high rpms, but you can't be surprised that manufacturers slowly moved to ...

GM's intermediate-sized A-body platform formed the basis for some of the most well-loved models of the 1960s and 1970s, including some of the classics of the muscle car era. Its legendary run lasted ...

For several years now, GM customers have voiced complaints about valve lifter failures across a wide range of V8-powered vehicles. The issue affects GM’s Small Block V8, most notably with the ...

In 2024, GM Authority exclusively brought you the first details about GM's next-generation full-size half-ton pickup trucks - the Chevy Silverado 1500 and GMC Sierra 1500. Now, our spies have just ...

Matt Nelson is an automotive journalist with nearly a decade of experience in all things cars. He's spent years working at dealerships in sales, finance, and service. He's since traded in his pens and ...

The ZZ4 crate engine has gained cult status among vintage auto connoisseurs and muscle car enthusiasts. It first appeared in 1996, and has become the longest-running ZZ-series engine ever produced, ...

The much anticipated Tesla Cybertruck may debut with a battery pack that’s capable of delivering 350 miles (563 kilometers) of range, according to the Twitter user Bearded Tesla who claims he had ...

The LS6 454-cubic-inch V-8 powering the 1970 Chevelle SS produced a class-leading 450 horsepower and an inspirational 500 lb-ft of torque. Mecum Don Sherman’s latest entry in our Epic Engines series ...

If you’re an AMC owner and get tired of questions like “Why did they install a Chevy engine in an AMC?”, this story is for you. Ditto Studebaker folks who must deal with people asking about the Ford ...

Fords from the 1930s are highly popular with hot rodders, and even pickups can be modified this way on a tight budget. Offered at no reserve on Bring a Trailer by Genau Auto Werks, this build is ...