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By Richard - 7 Years Ago
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I have been running Autolite 36 plugs in my 312 with good results. Napa and Autozone do not carry them but they have Autolite 46 as a cross referance.
What are you guys using. My engine has Mumert pocket ported heads, reworked intake, a Clay Smith Cam, Hollly 600
Thanks,
Richard
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By paul2748 - 7 Years Ago
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I use 46's in both of my Y's. They seem to be ok. One was a new rebuilt with a bigger cam, the other a stock with mileage unknown.
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