Hi All,
I have made an excel spreadsheet which does all of this for you. I can't seem to see how to post a file on this forum.
I set the spreadsheet up to require 2 parameters input. 1. Diff Pulley and 2. Layshaft (main) pulley. Once you have put these details in it will auto calculate the IDR and populate the FDR table. I made sure I catered for both the 48P and 64P guys and also ran the pinions all the way up to 50 for all those stock drivers.
Let me know if you would like a copy. Otherwise, tell me how to post it here!
P.S. I even made it orange to match my 09'
![Very Happy :D](./images/smilies/icon_biggrin.gif)