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Ford 641 distributor question

D

Dear Ol Dad

Member
Howdy Gang,

Yesterday I helped my son replace points and plugs on our 57 641. After setting point gap we tried starting the tractor and tractor was running on only 3 cylinders. During our troubleshooting we finally found the cam block for the points giving the problem. While 3 lobes opened the points to correct gap one lobe opened the gap entirely too wide. We finally got the tractor running but only by slight adjustments to the points and no feeler gauge. My question is this; can the cam block be purchased as a separate item or should we start looking for a new distributor assy? Any help is appreciated!
 
Ah but did it do the same thing with the old points??? Did you guys buy a set of cheap points made in the land of almost never right or a good set of points??? Not likely to be to cam but could well be that the bushing is going bad so as to not run straight and cause that one area to be off. Bet if you measure each and every cam you will find they are all the same. That area of the distributor almost never wears out since all that should ever run on it is plastic
 
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