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We've already pre-loaded the gearing information for most of the Honda/Acura B series transmissions/transaxles. We now have gearing ratios for most Honda D-Series and RSX transaxles as well as the S2000 transmission. Of course the calculator will work with any make or model, domestic (Ford, Chevy, Dodge, etc.) or import (Japenese and Eurpoean, BMW, Mazda, Volkswagen), you just have to plug in the ratios of the car. This is usually pretty easy to find, just search on google or look it up at a car information site.
We could still use some data for various D series, and other makes/models, including domestics. Would be great if anyone has all the common Nissan and Subaru transmission ratios and could send it to me.
If you have gear ratio data that we don't currently list, please send it to kris+gears@sledge-hammer.net. Ideally would be great if it were in a text file or Excel spreadsheet in the following format:
"Make","Models","Transmission","First","Second","Third","Fourth","Fifth","Sixth","FinalDrive","Reverse" "Honda/Acura","JDM 98-01 ITR","S80","3.230","2.105","4.458","1.034","0.079","0.000","4.785","0.000" "Honda/Acura","del Sol VTEC & 99-00 Si","Y21/S21/S4C","3.230","2.105","1.458","1.107","0.848","0.000","4.400","0.000"
