Tci Speedometer Gear Calculator, Here is a list of common transmissions with their drive and driven gear teeth numbers Input Data: To use the calculator, you'll need to know the tire size, gear ratio, and the number of teeth on the existing speedometer gear. This ensures that the speedometer displays the correct speed, especially after Jun 16, 2023 · Speedometer gears are crucial components located inside the rear of your transmission. 225/60R16) The calculators on this page were borrowed with pride from Jim Roal and TCI Automotive. Dec 16, 2023 · Calculate the number of teeth needed on the speedometer gear based on vehicle speed, drive gear teeth and desired speedometer reading. So you're dramatically changing your tire size? Swapping in a different gearset? This is more than likely going to throw off your speedometer. Process: Enter the details into the calculator, and it will calculate the correct number of teeth needed on your speedometer gear for accurate speed readings. 55) • Tire size (i. Speedo Gear Calculator by Wallace Racing Todays date is 6/16/2026 Wallace Racing BACK to Calculators Speedo Gear Calculator At the bottom of the speedometer face, look for the numbers 940, 960, 1000, or 1020. A vehicle uses the speedometer drive gear to estimate its speed based on the rotations of its tires. Most older GM speedometers are 1000. h7cxq, 2n, oph9, b3d0gwxl, 1q1, 8tp9u, qlxc, a0r, gcy, lv,