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02-09-2018, 07:22 PM | #1 |
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spark plug gap
Recommended plug gap for MSD 7-AL3 with Autolite racing plugs in 307 Olds stocker.
Thanks, Ron |
02-10-2018, 02:43 AM | #2 |
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Re: spark plug gap
We run .035. on AR plugs
More does not seen to help and just puts more strain on the the rest of ignition system in my opinion.
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John Irving 741 Stock 741 Super Stock Last edited by GTX JOHN; 02-10-2018 at 02:50 AM. |
02-10-2018, 01:22 PM | #3 |
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Re: spark plug gap
I have that box on a 302 Ford. At .050 it was hard to start. Improved a lot at .035. Autolite plugs, too.
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Dale Shearon 68 Mustang 6394 |
02-11-2018, 02:02 AM | #4 |
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Re: spark plug gap
.015" difference in spark gap makes a negligible difference in spark output as observed on an Oscilloscope.
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Dave Noll, E/FS ,L/SA 6526 |
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