Initial ignition timing at flywheel

pantera1887Member

After installing my Pertronix Ingitor III I’ve been working at optimizing my initial ignition timing. Has anyone already figured out the measurement/distance of one degree on the outer edge of the flywheel as seen through the bell housing inspection window. I’m getting tired of taking the firewall out to adjust the timing and would like to use the flywheel for timing. I know how to figure out the distance of a degree on a circle but it is difficult to determine the circumference as viewed through the window with everything assembled.

If you have this figured out, what area on the flywheel did you use and the distance of one degree? I have a stock flywheel and clutch cover.

Mike

7/1/104:20 PM

Original Post

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