[Farmall] Timing setting on Cub

[ZIMMY833 at aol.com]

I have a 1952 Cub with a magneto system that "snaps" the rotor cap past the  
plug wire pickup. I had to remove the governor to repair it and the 
positioning  is all messed up. The engine fires but it backfires and will not run, 
telling me  the timing is definitely off. Any suggestions or procedure on how to 
set the  timing correctly. I brought the cylinder closest to the radiator to TDC 
and the  rotor cap is at approximately an 8 o'clock position in the 
distributor  cap.  HELP PLEASE!