Chevy Th350 Speedometer Gear Chart Pdf, One fits gears from 34 - 39 teeth and the second one fits gears from 40 - 45 teeth. One should note these are SERVICE REPLACEMENT part numbers for the time and may or may not reflect part numbers of their respective day or now. This is very useful when there is no established baseline from which to work from such as replacing a transmission in a vehicle that was purchased without a drive line!. I have used (what I consider) the more reputable sources and Chevrolet owners for the most accurate information available. Hopefully you will find the layout and how the data are presented acceptable. If you need to figure your exact combina on you can use the 2 formulas below to calculate what should be very close for your applica on. The following information is derived from my Chevrolet Parts & Accessories Catalog, circa 1972. This booklet covers the procedures necessary to diagnose, repair and/or overhaul the 350C transmission and the 350 transmission. Two housings, each made from either aluminum or plastic, are available for driven gears with 34 or more teeth. This is very useful when there is no established baseline from which to work from such as replacing a transmission in a vehicle that was purchased without a drive line! SUM‐700321 TH‐350 Speedometer Gear Kit Selection Chart and guideline Thank you for purchasing our speedometer gear kit. We have tried to compile a gear selec on that will work for most street gear and re sizes. Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. Or reference the chart below. We have tried to compile a gear selection that will work for most street gear and tire sizes. SUM‐700321 TH‐350 Speedometer Gear Kit Selection Chart and guideline Thank you for purchasing our speedometer gear kit. 7ffis, 59, tlgw, krfgxm9, suvsc, 6fd, pul6, 3c1, uw1, aq1,