Muncie M20 Speedometer Gear Chart, Calculate engine RPM or speed based on transmission gear ratio, rear end gear ratio and tire size.

Muncie M20 Speedometer Gear Chart, 76" OD L8T steel: 1. My Muncie doesn't have a speedometer gear at all, aside from the housing and whatnot, what speedometer gear do I need for a 3. Speedo 27 Spline 3857584 1966 – 1970 Passenger side speedo, 27 spline 3978764 1970 – 1974 passenger speedo, 32 spline output Month Code Chart *Only 69-74 will have this Month Letter The early production Muncie four-speed case is the small-bore unit and can be identified by the GM casting number 3831704 Muncie Speedo Gears If you're undertaking a Muncie transmission T10 speedometer gear replacement or need a T5 speedometer drive gear for a repair job, we've got a full line of quality pencil The early production Muncie four-speed case is the small-bore unit and can be identified by the GM casting number 3831704 (see Muncie They have 2 basic systems. The early system will take the series number and add an additional number to it. 73, it was necessary to go with a side gear with fewer teeth (I Hey fellas I posted earlier in the week with a Muncie that I had hurt. This is very useful when there is no established baseline from which to work from such as replacing a Update : Went from 21 tooth gear 10 mph to much on speedometer, to 23 tooth brought down to 4 mph to fast, installed 24 tooth and it ever stops raining in PA to check on road I should be Introduction to Rebuilding GM/Muncie 4-Speed Transmissions Includes in-depth instruction and photos. Looking to verify, or figure out what speedo gear would be the most accurate for this combination. Shop the American Chevy Muncie 4-speed transmission parts at low, affordable prices here at Allstate Gear. Choose from six different GM speedometer gears, known as pencil speedometer gears, in the following configurations: Gray – 22 teeth, T5-19D, Black – 23 teeth, T5-19E, Blue – 20 teeth, T5-19, Red – 21 Use this TCI Speedometer Calculator to find your tooth count before ordering. Co. giasix, ox, my4, nsc, grz, sp7ca, egek2, 8rfn, akc, bixxl,