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Old 04-07-2008, 08:12 PM
Bobcat Bobcat is offline
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Join Date: Apr 2007
Cobra Make, Engine: # 757 ERA 427 SC , 482 Al. big block
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My engine builder ( Robert Ponds ) says either Autolite AR3923 or NGK BKR6E and to use a gap of .035 " .
Looks like there is a general agreement on the NGK plugs .
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