I have looked in the archive and I see several conversations about putting timing marks on the 9N. Has anybody done this with success? If so can you show me a picture of your marks. I need to retard the timing a couple degrees to get rid of my preignition problem but I'm brain dead and can't picture in my mind what way everything turns. I'm thinking I could just find TDC put two chalk marks and a inductive light on it and go from there.
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