Few vehicle modifications have as major an impact as changing gear ratios, and it's because your car's gear ratio directly translates to how it delivers power. Think about it: The gear ratio, or how ...

Higher, lower, taller, shorter, more, lesshow do you have any idea what guys are talking about when it comes to rear-axle gears? It's confusing, because the slang seems to contradict the math. Let's ...

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.

This definitely sounds like the setup to a joke that's only funny to a hyper-specific audience. "What's the difference between a close ratio and a wide ratio transmission? About a second and a half ...

In automotive design, it's all about proportions. Since mass-produced cars first emerged in the early 1900s, an often-overlooked measurement that influences a vehicle's aesthetic appeal and function ...