Originally Posted by
Robio
Not too familar with the MM Pro. Does it have any type of timing advance like other brands? If it does, you'll use a lower FDR. Starting around 6.0. If it does'nt, you may try around low 4.0's to start. On mine I ran 4.3 on a medium asphalt track. 88x48 spur/pinion. My IDR is 2.43 as I have the Moorespeed. I believe yours is 2.1? Just some ideas to consider.
Rob.......
His will also be 2.4 if it's the black version unless the pulley's were changed. FDR will all depend on the speedo used. I'm sure someone with MM experience will be along to help him out.