Thread: What spark plugs to use in Elderbrock heads?
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Old 05-02-2003, 09:22 AM
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Cobra Make, Engine: ERA #629, BBM Side Oiler Block, 482ci, Richmond 5 speed
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Wheels. I'm with you. I'm running the RC12YC plugs just because that's what Edelbrock recommended but I'm not a Champion fan either. I plan on switching to Autolite next time around. I think just about any autoparts store ought to be able to convert an RC12YC part number into another brand for you. I don't think the BF32 or 42 is a direct replacement as indicated above. I use to work in an autoparts store and if memory serves correctly the BF32 is a large 13/16 inch socket type of plug. The RC12YC is a much smaller 5/8 or 11/16 socket plug. Even though the threads and gasket may be the same between the two, there really isn't much room for those larger diameter plugs.
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