What did you do to or with your CJ today?
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It came from the factory with ported vac and I tend to think the engineers know what they are doing.I pondered it a bit and then called mriplaybass and we talked it out and he suggested I "might" try ported vacuum instead of manifold vacuum due to what it does for timing.
I tried it and it idled like a sewing machine for 20mins. You lose some low end throttle response but it taught me something.
I may go back to manifold and back off the timing 3-5 degrees and see what happens. See if it get idle and throttle.