Let us introduce you to our friend Craig Artzner and his super-clean 1973 K5 Chevy Blazer. Artzner’s full-top K5 Blazer started coming together in 2006. Although the previous owner had […]

Q: Why do I need to use antifreeze? … A: The fluid you use in your engine’s cooling system can affect its performance. For most vehicles, a 50/50 mixture of antifreeze and […]

Editor’s Note: The following tech story and product profile from Aldan American was previously published on Aldan’s website, and is being shared here with permission. … The second-generation Chevrolet Camaro […]

LS engines are the most popular engines to build, swap, and hot-rod because of their availability, affordability, and compact size. (They fit pretty much anywhere that a Gen. I or […]

Q: Would you please explain residual valves? … A: A residual pressure valve is a special type of one-way check valve. They are used to keep a small amount of pressure in […]

Editor’s Note: The following is republished with permission from our friends at Intercomp Racing. … Corner balancing, or scaling, is a fundamental part of a well-handling racecar. Management of the […]

In today’s video, Mark Campbell at COMP Cams walks us through the four primary types of camshaft cores. Cam cores, or an unground lobe camshaft (UGL), are essentially unfinished camshafts, […]

What is an engine friction test and why would you want to perform one? When building a short block, a friction test will help you determine the amount of drag […]

In a liquid cooled engine, the thermostat is a valve installed between the water pump and the radiator. It controls when the radiator starts to cool the engine. It’s job is to […]

The following comes courtesy of our friends at Aldan American. If you love OBS pickups like we do, you know the two-door Tahoe and Blazers from 1988-99 are fast becoming […]