Quote:
Originally posted by pony_power_90
No ECM. Just a MSD box to control spark.
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Gee, if I had just
re-read your first post, I would have known that! Sorry. The mention of the spout connector confused me.
FWIW, just to clarify, in ECM controlled engines, the ECM controls the ignition timing, so the only way to set the base timing is to kill the signal going to the ECM so that the ECM no longer can control it, and you end up with base timing. That's what the spout connector does. Since you have no ECM, then you have no spout connector to worry about. You do need to disconnect and plug the vacuum hose going to the distributor when you set your timing. Total timing is the total combined timing advance from the vacuum and mechanical advance units, plus the base timing. You measure this after you are finished.
Take care,
-Chris