Thread: spark plugs for point judjing
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Old 09-16-2014, 03:32 PM   #3
Kube
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Default Re: spark plugs for point judjing
Quote:
Originally Posted by houseof34s View Post
what is the correct champion spark plug# for a 1940 ford flathead V-8 engine?
H10 with TWO rib. The so called "coke bottle" plug.
Five rib plugs did not come out until later and when installed in to a 1940 Ford should receive a point deduction of one point per incorrect plug.
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