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Plugs for Edelbrock SB heads #1382697 02/06/13 10:05 PM 02/06/13 10:05 PM
Joined: Jan 2003 Posts: 410 Chicago Lee OP mopar
Lee OP mopar Joined: Jan 2003 Posts: 410 Chicago	Edelbrock reccomends Champion RC12YC plugs, the customer wants NGK G-Power plugs. They are platinum alloy plugs. I can not find a cross over chart. Does anyone know what will cross over? They are going into a 318. 10 to 1 comp ratio with Edelbrock air-gap intake with headers. Lee

Re: Plugs for Edelbrock SB heads [Re: Lee] #1382698 02/06/13 10:09 PM 02/06/13 10:09 PM
Joined: Jul 2006 Posts: 9,366 Lehigh Acres, Florida rickstershemi master
rickstershemi master Joined: Jul 2006 Posts: 9,366 Lehigh Acres, Florida	Quote: Edelbrock reccomends Champion RC12YC plugs, the customer wants NGK G-Power plugs. They are platinum alloy plugs. I can not find a cross over chart. Does anyone know what will cross over? They are going into a 318. 10 to 1 comp ratio with Edelbrock air-gap intake with headers. Lee BKR5EGP Rickster

Re: Plugs for Edelbrock SB heads [Re: Lee] #1382699 02/06/13 10:19 PM 02/06/13 10:19 PM
Joined: Nov 2004 Posts: 1,708 S. Il. U.S.A. 5spdcuda top fuel
5spdcuda top fuel Joined: Nov 2004 Posts: 1,708 S. Il. U.S.A.	I also like NGK's, but I don't use the platinums just a conventional plug BCP6ES stock # 4930. They work well with engines in the 10:1 range and are easy to read. They seem to hold up for quite a long time as well. I have Indybrock heads so if they work for me they should be good for you as well.

Re: Plugs for Edelbrock SB heads [Re: 5spdcuda] #1382700 02/07/13 11:48 AM 02/07/13 11:48 AM
Joined: Dec 2006 Posts: 1,178 Indy FlyFish super stock
FlyFish super stock Joined: Dec 2006 Posts: 1,178 Indy	I would use the NGK R5671A-7...It's what I use with my edelbrocks (or a -8 for a little colder plug). 67 Barracuda street car, 408, e85, 1.38 60', 6.44 @105.9 in the 1/8 mile, 10.19 @130.5 in the 1/4...so far....

Re: Plugs for Edelbrock SB heads [Re: FlyFish] #1382701 02/07/13 01:31 PM 02/07/13 01:31 PM
Joined: Oct 2008 Posts: 492 South Jersey, NJ D DragDart360 mopar
DragDart360 mopar D Joined: Oct 2008 Posts: 492 South Jersey, NJ	Quote: I would use the NGK R5671A-7...It's what I use with my edelbrocks (or a -8 for a little colder plug). 70 Dart Swinger, 2850 lbs SB 408, Bullet roller 264/268 @50 .636 SSDS stage 2 Edelbrock heads, 1 7/8 Headmans, 1050 dominator by Dom, 9.867 @ 133

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