Originally Posted By kentj340
Originally Posted By PurpleBeeper
Well, I have had plenty of problems with my point distributors.


With age my '69 340 dual point began to move away from the official dwell angle specification, and I had to resort to guestimate tuning. Later I replaced the timing chain, but that didn't fix it. Bought a new distributor, but that didn't fix it either.

Anybody know how to fix this?


What's it do with your vacuum advance disconnected?