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Re: Best Spark plug for 509 mopar cam 440+6 ????
[Re: Dodgem]
#1395744
03/01/13 09:21 PM
03/01/13 09:21 PM
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Joined: Apr 2003
Posts: 959 Cincinnati,Ohio
jcastle1
super stock
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super stock
Joined: Apr 2003
Posts: 959
Cincinnati,Ohio
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Champion J12Y is the best I've found.
Last edited by jcastle1; 03/02/13 10:38 AM.
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Re: Best Spark plug for 509 mopar cam 440+6 ????
[Re: Dartman928]
#1395747
03/01/13 10:33 PM
03/01/13 10:33 PM
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Joined: May 2005
Posts: 6,446 NJ-USA
HPMike
master
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master
Joined: May 2005
Posts: 6,446
NJ-USA
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Best option is use NGK R5670-5...I use these NGK series plugs in all builds and they offer them in multiple heat ranges for diff applications , cr, etc. Yep, they are Japanese, but very high quality. MB
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