timing magneto to 1954 oc-3 Cletrac

k7easy

New User
magneto xh-1113 xhg-4 Oliver lag angle 21 degrees. governor indexed to punch mark cam gear. Flywheel timing mark lined up with bell housing timing mark. Points set .015. Problem Governor slot pointing 10-4 o'clock. Magneto drive cup flanges pointing to 1 and 7 oclock. Engine backfired when magneto set to governor slot. reduced lag degrees to max 33 degrees. Using aftermarket fast 12 volt starter. Engine started one time only. Timing light showed late ignition. Would not start again. Rebuilt magneto with strong spark. Have Wico Service Manual and Oc-3 Service Manual. Cletrac would not start last fall. traded in old magneto and replaced the carburetor. New plugs and spark plug harness. Any ideas why the drive cup flanges are not lining up?
 
Our hg 42 had a Wico magneto and the frame was cut way with a torch so the magneto could advance more . But the magneto timing ,would
hit the ware loader clylinder , so it would not advance far enough to be just right .
Also it was a Hercules with a 1243 firing order .
What I remember about those magnetos
 

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