Allis C Still Missing

Bobby (MI)

New User
You guys helped me out a few weeks back with my C that had a jumping timing mark and was also missing real bad. But I am still having some issues.

In my previous post, I had already changed cap, rotor, coil, condensor, plugs, wires, points, and made sure the distributor bearings were okay. I cleaned the distributor weights and lubed them up and the timing mark seems to be a lot more stable.

It runs fine at idle, and even gets up to speed okay, but it will eventually just start missing and stall. As soon as it stalls, I can start it right back up but it will stall again.

I was worried I got a bad set of points or condensor so I took brand new known good ones off my other C and put them on. I was manually opening and closing the point gap and I noticed that the first spark is really hot, but each time I opened and closed it the spark got a little weaker. There was always spark but it just seemed too weak. Could it be breaking down under load? Is so, why?

Any other thoughts? Thanks a ton!
 
Bad ignition switch can cause a problem like that or a coil going bad. You might try hot wiring it and see if the problem stays or goes away.
 
Remember when you are 100% sure it is electrical and nothing seems to help it is most likely fuel.

When you are 100% sure it is fuel and the problem still persists after every thing you have tried it is most likely an electrical problem.

I would start by removing the sediment bowel assembly from the gas tank and clean the assembly.
 

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