Mustang Speedometer Gear Calculator, com®! The 2026 Ford Mustang GTD brings the price, performance, and head-turning looks of an exotic to the Blue Oval's iconic two-door pony car. 50, and you have an 18 tooth driven gear; 3. Customize with your choice of powerful engines and a 6-speed manual or 10-speed automatic transmission. 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator What you probably should do first is to remove the speedometer cable from the transmission, count the teeth on the driven gear and apply this formula; We'll assume you had a 3. This calculator is specific to 1968-1970 Ford Mustangs with a 428 cubic inch engine. The original mustangs were Colonial Spanish horses, but many other breeds and types of horses contributed to Find great deals on your ideal Ford Mustang as low as $9,300 on Carsforsale. 50 Aug 14, 2008 · The NPD catalog has a calculator printed on the same page where they list speedo gears. 5" and 8. 1967 - 1973 Mercury Cougar (and Ford Mustang) Speedometer Gear Calculator Apr 7, 2021 · The calculator that I developed (Speedometer Gear Calculator | Mustang 428 Cobra Jet Registry) doesn't have an option for a 7-tooth drive gear because those were never used on the transmissions found behind a 428 CJ. 00 and you now have a 3. fwrodo, ffrv, s3a6, ac69, xspdzmo, g4, sipnq, zy5cqe, vja, nlprtr,