Re: Distributor Vacuum Advance Pots

Posted by PackardDon on 2020/12/1 17:37:26
The best test is to see if it moves under vacuum and doesn't leak down quickly which can probably be ascertained by using a simple vacuum tester tool. If there was a pinhole or very tiny crack, then it would return quickly but if it doesn't, then it's fine. Some of it is also to do with how the distributor was stored for all these decades and this one was always kept indoors rather than in the boot of a car!

P.S., I've bought parts from Hagen's and they offer very fast shipping and good quality. Also, Puyallap is right next to Sumner where I stored and worked on my 1941 Henney-Packard for years!

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