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Reply to "How to do the ignition timing on a mangusta"

quote:
If you are going to run an engine hard for maximum performance (over 6,000rpm) you really do not want a vacuum advance distributor at all.


Why not? Vacuum is close to 0 at that rpm, so the advance doesn't come into play. Vacuum advance aids economy, emissions and idle quality, and if done correctly, doesn't hurt any performance.
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