Picking the right valvetrain for your engine can be a daunting task. Solid flat tappet, hydraulic flat tappet, solid roller, hydraulic roller; these are the choices, made even more difficult due to ...

Back in 2021, a class action lawsuit was filed against General Motors over valve lifter-related issues in certain Cadillac, Chevy and GMC models outfitted with certain V8 gasoline engines. That ...

If you are shopping for a used Chevy truck, make sure you check out this list of 2023-2025 Chevy Silverado 1500 known problems. While not every truck will have an issue like seen below, you should be ...

The Cummins 6.7L turbo diesel engine entered its fifth generation in 2019. In addition to improved output of up to 400 horsepower and 1,000 pound-feet of torque, the new engine's valve train featured ...

Selecting the right cam for your performance street/strip or even full-race Chevy engine is difficult, especially if you don’t speak the lingo. Even before taking a look at things like cam lift, ...

Thumb through the pages of any performance magazine and you'll find it all over the place--camshaft lingo. Lift, duration, base circle, dual-pattern, overlap, rocker-arm ratio; whether you're new to ...