Thread: Spark Plug Protrusion into Head?
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Old 11-05-2019, 01:17 PM   #33
AnthonyG
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Default Re: Spark Plug Protrusion into Head?
Put a NGK BPR7ES .750 reach has same extension from end of thread to full extension of anvil as the Autolite, 7/32”. The space to the heads gasket surface of .437 reach is .26”. The space to the heads gasket surface for the .750 reach is less than 1/32”. Pretty sure valve would smack the .750 reach.
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Last edited by AnthonyG; 11-05-2019 at 01:24 PM.
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