Spark Plug

12-15-2003, 06:43 AM

I have a stock 400 block I have installed a performer kit from Eldelbrock Cam,intake, and 750 cfm carb. Need to now correct temp plugs I should install.

stuart · 07-24-2004, 09:34 PM

Generally, the best advice is empirical - try a set and see what happens. Start with middle range plugs and run 'em for a week or so. Carefully remove a pair (one far from the carb, one close) and check the condition. They'll tell you the story. Nobody, but nobody can predict the EXACT correct plug beforehand.

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12-15-2003, 06:43 AM	#1 (permalink)
<james.reinhart@detroitdie> Posts: n/a	I have a stock 400 block I have installed a performer kit from Eldelbrock Cam,intake, and 750 cfm carb. Need to now correct temp plugs I should install.

07-24-2004, 09:34 PM	#2 (permalink)
stuart Junior Member Join Date: Jul 2004 Location: chicago Posts: 6	Generally, the best advice is empirical - try a set and see what happens. Start with middle range plugs and run 'em for a week or so. Carefully remove a pair (one far from the carb, one close) and check the condition. They'll tell you the story. Nobody, but nobody can predict the EXACT correct plug beforehand.