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Re: spark plug recommendation [Re: mopar dave] #1977866 12/28/15 02:12 PM 12/28/15 02:12 PM
Joined: Jan 2003 Posts: 31,046 Oregon A AndyF I Win
AndyF I Win A Joined: Jan 2003 Posts: 31,046 Oregon	Originally Posted By mopar dave ever have any luck with the champion cx series with the cut back strap? Yes, the CX plugs are all I use on the dyno motors. Bulletproof plugs with the cut back strap. Extra piston clearance also. They are fairly cold plugs though, race only, not a street plug.

Re: spark plug recommendation [Re: mopar dave] #1977869 12/28/15 02:17 PM 12/28/15 02:17 PM
Joined: Mar 2006 Posts: 9,847 MI, usa dvw master
dvw master Joined: Mar 2006 Posts: 9,847 MI, usa	I run NGK 9's in my 14.8-1 572. After a clean cut power run they look perfect. However driving around the pits they're way dark. Never seemed to bother it down track. Same plugs 300 passes. Made it's best passes ever this fall. Doug

Re: spark plug recommendation [Re: AndyF] #1978026 12/28/15 06:45 PM 12/28/15 06:45 PM
Joined: Jan 2007 Posts: 8,042 Mt Morris Michigan mopar dave OP master
mopar dave OP master Joined: Jan 2007 Posts: 8,042 Mt Morris Michigan	which heat range cx plug would you use in 13:1 gas engine? http://www.youtube.com/watch?v=aIxaesJ190U http://youtu.be/lCZAaN7fFLg

Re: spark plug recommendation [Re: Thumperdart] #1978393 12/29/15 03:25 AM 12/29/15 03:25 AM
Joined: Jan 2007 Posts: 8,042 Mt Morris Michigan mopar dave OP master
mopar dave OP master Joined: Jan 2007 Posts: 8,042 Mt Morris Michigan	are the ngk r5671a-8 resistor type? http://www.youtube.com/watch?v=aIxaesJ190U http://youtu.be/lCZAaN7fFLg

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