Model A Ignition Timing – Making it Right

The rotor position shown below is the proper position with the timing pi in the gear depression and piston #1 at the top of the cylinder.  The dashed line shows the position of the rotor when #1 fires with the spark lever fully advanced (down).  NOTE:  This is for reference only and not a suitable method for final adjustment of the timing.

This article was printed in the May 2009 issue of the “A” Quail Call.

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