Ever look at a tire’s sidewall and think, “that’s a bunch of numbers and letters?” Well, it turns out those numbers and letters is an … Read More

With an eye on the finish beam and a raised heart rate you stand ready at the starting line of a quarter mile track. Once … Read More

To measure how well your catalytic converter is working, you simply need to know how hot it gets. A catalytic converter in your vehicle are … Read More

The page also includes a gearbox gear ratio calculator that answer two main questions: How much does the gearbox return in torque? How much does … Read More

The transmission gear ratio calculator makes drivetrain math practical instead of abstract. The two multipliers used to translate engine speed into road speed are final … Read More

If you’ve ever debated power output with another person who claims that torque make a vehicle move, well then you’re both correct. Depending on which … Read More

So there’s the head bolt; you’ve torqued it down as indicated by the dial on your wrench to a nice round eighty foot-pounds. You feel … Read More

When it comes time to pick out parts like a clutch or an impeller you realize you bought three sets of sprockets, because they all … Read More

Everything from your launch to your cruising comfort at seventy miles per hour can be traced back to the simple math of gears. Is it … Read More

After upgrading to bigger tires you might find yourself traveling at a higher speed than indicated by your speedometer. Not because you think it’s reading … Read More