02-15-2010, 07:59 PM | #1 |
never finish start another
Join Date: Mar 2007
Location: North Platte Nebraska
Posts: 432
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Spark plugs
I am changing a 69 with a 307 standard distributor to an hei. what number of plugs are you using? Or maybe a year range and I am guessing a 350 plug. What works best? Heck should I just widen the gape on the ones I have and run them?
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