What spark PLugs to use on a 402cid
#5
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Join Date: Jun 2008
Location: Windsor
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I'd use a colder plug equiv to a heat range 6 on a 402 just to be on the safe side.
Check out these guys. Their plugs worked great in my car.
Check out these guys. Their plugs worked great in my car.
Last edited by Navy David SS; 07-23-2008 at 08:16 PM. Reason: removed link