Have you ever had to adjust your bathroom scales or car speedometer? In the digital age, such adjustments are often either unneeded or difficult to make but remain important. Some ...

There are many more driven gears available than drive gears. In traditional GM transmissions, typically available TH350 (also fits most manual boxes) driven gear selection ranges from 18 to 25 teeth.

Remember calculating which speedo drive gear would make your speedometer and odometer read accurately after a gear and tire size change? if you own a new JK wrangler, those days are gone. Now the ...