Tech

Q: I have a question about engine compression. What would the following compression ratios be in terms of pounds per square inch (psi) of cylinder pressure? 8:1 compression 9:1 compression 10:1 […]

It’s time to debunk some brake rotor myths. Myths that, on the surface, seem to make sense in many cases. But ultimately, believing these myths won’t resolve actual brake system problems. […]

Q: I am in the process of building a 383 stroker engine for my third-gen Camaro. It should produce about 450 horsepower (the current engine’s a V6). Will the stock rear […]

Rust is the archenemy of any restoration project. Fortunately, the aftermarket has developed some very effective products for battling rust. In this post, we’ll inform you about of these rust-battling options and […]

You’ve increased your Jeep’s tire size for improved ground clearance, and then you lowered its gear ratio to take advantage of the taller tires. But now, with the taller tires […]

Volumetric efficiency is a term that’s tossed around quite a bit when talking about internal combustion engines. However, surprisingly few people understand what volumetric efficiency is and how it actually affects […]

The trick to successfully installing an aftermarket exhaust system isn’t just about your tech expertise or wrenching abilities. Many times, the most crucial step is simply selecting the right exhaust system during […]

Q: I built a 6-71 supercharged 355 c.i.d. Chevy. It ran fine for two summers until I took the car to the track to dial it in. On the fourth pass, […]

I have a 472-cubic-inch engine in my ’69 Cadillac and I have a problem with oil vapor covering my nice new aluminum valve covers. I had a PCV valve on the […]

It’s no secret that heat kills automatic transmissions. This is especially true in big-power, street-strip machines that combine lots of horsepower with a small torque converter and steep rear axle ratio. Engine rpm […]