Quote:
Originally Posted by DWC
I backed the timing down to 13*/34* and went for a short drive this weekend. The vibration did not change at all, still there.
Interestingly, the engine run-on still occurred as well. It *may* have been a bit less run-on then previously, but not a significant change.
Daniel
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Try 32° total. This would be strictly for the run-on issue as I think there is something different causing your vibration.
If still experiencing run-on @ 32°, I would seek out some higher octane rated gas & utilize it to eliminate octane as a possible cause.