Re: Problems with Points

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Posted by Tim Daley(MI) on May 23, 2019 at 04:28:09 [URL] [DELETE] :

In Reply to: Re: Problems with Points posted by Farmer Dan on May 22, 2019 at 07:55:59:

I also think the root cause is something other than points. I don't know about tungsten, will look at drawing spec, or about a thin film of other metal, but Bruce would know. I never owned, never used a point file or any other abrasive item on points. At completion of a rebuild, I used a piece of brown paper grocery sack, dabbed in mineral spirits to pull through the points a few times then a few more with a dry piece to get any oil or cam lube removed. I just took a set of points out of a an OEM cast iron front mount and they have the FoMoCo logo stamped on them. The contact points are not metallic so may be tungsten. Anytime you file, sand, or grate something you create a porous surface which opens it up to greater oxidation. Tungsten is very tough, but not very magnetic which means it is not ferrous, depending on what is it alloyed with. I'll look at some of the other used sets I have around. One other thing not mentioned is, if the radiator is leaking and water gets blowing around via the fan, it is possible to be getting water on the distributor.

Tim Daley(MI)


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