You can measure horsepower at home by timing RPM climbs, calculating wheel speed from tire size and gear ratios, and comparing the results to SAE net specs.

Aftermarket superchargers are a popular upgrade for car owners looking for more power, and ProCharger is a leader in the segment with plenty of options.

General Motors tends to use very simiilar powertrains for all its vehicles nowadays, but it was a very different story more ...

If you have an individual retirement account (IRA), you might have considered converting it into a Roth account at some point. But you might not know the best time to do a conversion, or even if doing ...

Power doesn’t equal performance if you can’t control it. I break down what horsepower really means on the street, and why a well-ridden 400cc can embarrass an untrained liter bike any day of the week.

Many investors within five years or so of retirement have the bulk of their savings in traditional tax-deferred 401(k)s and individual retirement accounts, instead of the after-tax Roth versions of ...

Discover how the LS1 became a lightweight, swap-friendly V8 icon, from its C5 Corvette debut to HSV power upgrades, and learn ...

Philip Gelderblom has been writing professionally since the '90s. He has written mainly content on a freelance basis, including about cars, future cars, EVs, hybrids and hydrogen cars, self-driving ...

If you’re feeling uneasy about buying an L87-powered GM truck given the 10-speed automatic’s reputation, we’ve found a novel solution: swap it! A manual gearbox has no valve body after all; so it will ...

This engine won't be fueling interstellar missions, but still finds an unexpected way to use deep space energy to generate power. Reading time 3 minutes Deep space may provide hidden sources of energy ...