help with spark plug
February 14th, 2013, 5:17 PM
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help with spark plug
Someone help me here...I have a BB Chevy, head casting number #3964291, rectangle port-closed chamber head...CR-10:1. I am confused as to which spark plug I should use.
February 18th, 2013, 3:13 PM
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Chevrolet Big Block Cylinder Head Casting Numbers
Chevy 454 Spark Plugs Selection Help - Hot Rod Forum : Hotrodders Bulletin Board
^The lower responses hold the answer to your question
Chevy 454 Spark Plugs Selection Help - Hot Rod Forum : Hotrodders Bulletin Board
^The lower responses hold the answer to your question
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