Spark plugs for edelbrock performer heads.
#2752602
03/16/20 05:59 PM
03/16/20 05:59 PM
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Joined: Mar 2005
Posts: 525 Can , Nova Scotia , Cape Breto...
caper
OP
mopar
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OP
mopar
Joined: Mar 2005
Posts: 525
Can , Nova Scotia , Cape Breto...
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What spark plugs for edelbrock performer heads. 10.7:1 compression, TTI headers, 654 hp. street/strip. Thanks.
New best 10.18 , 1.40 60 ft 496 Scott Brown built, street driven 3600 lbs,654 hp , 653 ft tq
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Re: Spark plugs for edelbrock performer heads.
[Re: topside]
#2752637
03/16/20 07:41 PM
03/16/20 07:41 PM
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Joined: Mar 2005
Posts: 525 Can , Nova Scotia , Cape Breto...
caper
OP
mopar
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OP
mopar
Joined: Mar 2005
Posts: 525
Can , Nova Scotia , Cape Breto...
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Not sure on that. I am not around my car, but I thing I have a NGK racing plug with heat range around 7.
New best 10.18 , 1.40 60 ft 496 Scott Brown built, street driven 3600 lbs,654 hp , 653 ft tq
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Re: Spark plugs for edelbrock performer heads.
[Re: caper]
#2752654
03/16/20 08:35 PM
03/16/20 08:35 PM
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Joined: Jul 2004
Posts: 19,317 State of confusion
Thumperdart
I Live Here
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I Live Here
Joined: Jul 2004
Posts: 19,317
State of confusion
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I ran 8's at 12.1 comp and it ran well then I tried 7's and runs even better so I'd say a #6 will be real close at your comp.....
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
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Re: Spark plugs for edelbrock performer heads.
[Re: lewtot184]
#2752688
03/16/20 10:06 PM
03/16/20 10:06 PM
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Joined: Jan 2003
Posts: 3,122 Auburn WA
Dave_J
master
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master
Joined: Jan 2003
Posts: 3,122
Auburn WA
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Being Alumium heads do you all think you should start with a standard heat of go colder? I was told to run a 5/8 version of the RN12YC but I want Iridum so I went for Denso IQ16TT's that are in the heat range of 12. They have a colder IQ20TT too that is a 9 to10 heat range
Retired, US ARMY 1973-1994 ASE mechanic, Electrical 1994-1997 Retired GTE/VERIZON/FRONTIER 1997-2015
Posting cheap tech help (CRAP) here since Nov 97, 1000's of posts, some may be good.
03 Suzuki Burgman 650(Burger King) Scooter 65 Formula S Cuda 78 Little Red Express Truck 98 Buick Regal (wifes car)
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Re: Spark plugs for edelbrock performer heads.
[Re: Dave_J]
#2752870
03/17/20 03:53 PM
03/17/20 03:53 PM
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Joined: Jan 2003
Posts: 3,122 Auburn WA
Dave_J
master
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master
Joined: Jan 2003
Posts: 3,122
Auburn WA
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The reason I ask is I have never run aluminum heads on anything except my 2.2's. Someone told me that if the Iron head required a RN12YC that the alumumn would wick too much heat out of that plug so 1 or 2 steps hotter is needed. 1984 Dodge Shelby 2.2 10:1 CR was RN12YC. Mine was a 0.040 over true 11.2:1 CR and I found a RN9YC worked best. 1984 Dodge Rampage 2.2 8.5:1 CR was RN14YC
Last edited by Dave_J; 03/17/20 03:56 PM.
Retired, US ARMY 1973-1994 ASE mechanic, Electrical 1994-1997 Retired GTE/VERIZON/FRONTIER 1997-2015
Posting cheap tech help (CRAP) here since Nov 97, 1000's of posts, some may be good.
03 Suzuki Burgman 650(Burger King) Scooter 65 Formula S Cuda 78 Little Red Express Truck 98 Buick Regal (wifes car)
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