Standard Gear Ratios The standard ratio tool is straight forward just fill in the gear tooth counts and the program will calculate the ratios. Input & Main Shaft Input 3rd 2nd 1st 5th Reverse Counter Shaft Input 3rd 2nd 1st 5th Reverse Gears Ratio 1st 2nd 3rd 4th 5th Reverse From Current Issue Fun With Transmissions | June - 2026 The A8LF1 Challenge! A New Rebuild Book is Born. Bill Brayton86 Views From the CEO | June - 2026 Get Ready to Shift Into Gear: My Personal Invitation To The 2026 ATRA Powertrain Expo Lance Wiggins36 Views Other Articles | June - 2026 The 10R Cooling System – Part Two Sean Boyle72 Views Keep Those Trannys Rolling | June - 2026 Mini with a Pulse Pete Huscher22 Views Other Articles | June - 2026 ATF and Water: The Never-Ending Problem Pat Burrow64 Views Popular Columns ATRA +A+ Hi-RevM Money MattersM What's WorkingM Up Your BusinessM Shop ProfileM Back on the BenchT Delivering the GoodsT Keep Those Trannys RollingT Street SmartT Fun With TransmissionsT Other ArticlesO VIEW ALL Social Media
Fun With Transmissions | June - 2026 The A8LF1 Challenge! A New Rebuild Book is Born. Bill Brayton86 Views
From the CEO | June - 2026 Get Ready to Shift Into Gear: My Personal Invitation To The 2026 ATRA Powertrain Expo Lance Wiggins36 Views