Best Plug for 440 Eddy heads and well used motor

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Best Plug for 440 Eddy heads and well used motor #922134 02/06/11 07:27 AM 02/06/11 07:27 AM
Joined: May 2005 Posts: 476 Mount Airy, Maryland S scrag OP mopar
scrag OP mopar S Joined: May 2005 Posts: 476 Mount Airy, Maryland	I see that Champion RC12YC's are recommended but I tend to run rich and the engine has seen better days. I was thinking of running a hotter plug but was wondering what is working or if I should swap my NGK's (BCPR5ES-11) for a set of Champions RC12YC?

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Subject	Posted By	Posted
Best Plug for 440 Eddy heads and well used motor	scrag	02/06/11 11:27 AM
Re: Best Plug for 440 Eddy heads and well used motor	67Charger	02/06/11 05:38 PM
Re: Best Plug for 440 Eddy heads and well used motor	scrag	02/06/11 10:32 PM
Re: Best Plug for 440 Eddy heads and well used motor	440challenger	02/07/11 01:20 AM
Re: Best Plug for 440 Eddy heads and well used motor	scrag	02/07/11 05:57 AM
Re: Best Plug for 440 Eddy heads and well used motor	Viol8r	02/07/11 07:54 PM

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