Thread: Which Spark plug?
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04-21-2010 09:54 AM #1
Which Spark plug?
I'm running a 1966? Chev. 327 W/ I believe mid seventies unleaded heads,
mild cam and a Mallory Unilite electronic distributor and Mallory coil. I want to make sure I am using the right sparkplug. At the moment I'm using Autolite AP 145. I'm not sure if I should match plugs w/ engine year or year of heads? The engine is installed in a 2600# Model A Coupe. Thanks for any imput.
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