We break down the legendary Mopar A833, Ford Top Loader, and GM Muncie or Saginaw four-speeds to help you choose the perfect gearbox for your project. Whether you’re chasing quicker quarter-mile times with a close-ratio setup, looking for a budget-friendly cruiser, or trying to verify a 100% numbers-matching restoration using OEM casting numbers and input shaft splines, we’ve got you covered. Which four-speed are you putting in your classic muscle car build?
