Spark plug gap?

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Model T Ford Forum: Forum 2012: Spark plug gap?
Top of pagePrevious messageNext messageBottom of page Link to this message  By Mark Stewart -Calif. on Friday, August 31, 2012 - 03:56 pm:

I have not changed the plugs in my 14 T Runabout in a few years. I think one or more is fouled. I bought a set of Champion 25 plugs. I think the gap is around .30? Is that correct? The last time I bought them they were around $8.00 ea., they are $13.50 ea. now. Thanks


Top of pagePrevious messageNext messageBottom of page Link to this message  By Dan Treace, North FL on Friday, August 31, 2012 - 04:11 pm:

Try it at .030"

Really depends on your engine and ignition, with my '27, mag,coils, flapper timer and 'Z' head, the best performance is with Champion 'X's with gap bit over .025".


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