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Old 05-19-2010, 05:24 PM
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383 ignition timing recommendations?

Just trying to optimize the timing on my 383... currently running 12* BTDC base timing (vac. disconnected) and 36* BTDC total mechanical. Tried advancing a few degrees and couldn't hear any spark knock, but performance didn't feel improved. Could I make more power with less than 36* BTDC total? My testing technique isn't very scientific... nail it in 1st and 2nd gears and see if/how much tire spin I get between adjustments!

Running RHS ProAction 200cc iron heads, Edelbrock 750 carb, Performer RPM intake.

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