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Old Today, 07:25 PM   #1
TX3100Guy
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Join Date: Mar 2022
Location: Lucas, TX
Posts: 563
Re: Eliminate draft tube options

Question: The gap on my NGK spark plugs is .020 for the Vertex magneto. What gap should I reset the plugs to for an optical distributor with a 1.5 ohm coil? I don't know for sure, because under my ownership this engine always had the magneto.

Also I found a reference that suggested tightening the plugs to 25 ft/lbs. Does this sound right?
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Last edited by TX3100Guy; Today at 07:31 PM.
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