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Cockshutt 40 Ignition Timing

R

rickdude

Member
Ive got a 1950 Cockshutt 40 with a 230 gas engine. Im having trouble finding the timing marks on the front face of the flywheel. The TDC mark for # 1 is clear, but in the approx area Id expect to see the timing mark there is only a drilled hole. Has anyone got a photo of the marks on the face of the flywheel ? If I cant find the mark I may resort to a degree wheel on the front of the crank.
Thanks
Richard
cvphoto158323.jpg
 
Mike, do you happen to know of the spec in degrees BTC where the points should open, my manual only refers to the firing mark on the flywheel which I have yet to find.
 
Thanks Mike. I havent got a copy of the manual for the 40 only one for a Buda 6B-230. I think I was mistaken in thinking I should have the points opening at 30 ish degrees BTDC for static timing. If I understand you correctly the points should open at TDC static, the mechanical advance weights and springs should bring the ignition back to 30 ish degrees while running.
 
That's all I did with mine after the rebuild and it runs great. 30 static it WAY too early. I timed mine before it went back in the frame and I had trouble starting. I didn't check the distributor rotation and had the points opening on the wrong side of the cam. I realized what was wrong when the #1 terminal was in the wrong location.
 
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