At some point in your life, I’m sure you’ve had an argument with someone over horsepower vs. Torque. Probably it was beside one of those … Read More

The majority of folks who construct their own go-kart assume engine size alone determine how fast it goes. If they have the money for the … Read More

That’s what you see on the sticker and think you’re good to go. For decades, we’ve thought in terms of cars. Displacement is our unit … Read More

I’ve always tightened a lug nut with a wrench, and when it clicks I think I’m at the right spec, but using an adapter can … Read More

Big tires are a good idea; right? Well that depends. If you want more “power” in your vehicle (i.e., better gas mileage or more off-road … Read More

In most trucks, the final multiplier between road and engine is located in the rear axle, does it multiply fast, or does it multiply slow … Read More

Learn how force transfers to the pavement. Don’t get hung up on horsepower numbers. The last mechanical action that transmits power to your tires is … Read More

You’ve all been there: reading through the spec sheet, and seeing five-hundred horsepower promised in brochures, only to be disappointed by slow takeoff while merging … Read More

“A lot of times when you see a dyno sheet, there’s this really big curve up to a bunch of horsepower and it falls right … Read More

To some people, compression ratio is simply another spec page figure. In reality, it’s at the core of the engine’s breathing system. A proper ratio … Read More