Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - ignition timing (in relation to rpms)
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Old 02-27-2006, 03:08 PM
red65mustang red65mustang is offline
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turn the idle way down to 3-400rpm to verify your not pulling some centrifugal advance and reading it as base,

light springs and heavy weights will do that, start the curve at 5-600rpm

(and vacuum advance discoonected and plugged)
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