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#1 |
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Location: Jacksonville, Florida
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Lonnie, I have had real good luck with NGK's. I believe that your heads take a 5/8" size plugs? If you are interested I can get you a selection of numbers for you?
Robert |
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#2 |
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I've been using NGK's for years,they run a long time and don't cost much.
R5673-7 is what I use -8 is colder -6 is hotter. I never have done any plug testing,just have'nt had chance it is on the list Mike Taylor 3601 |
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#3 |
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Lonnie,
Try Autolites , you won't be Sorry and they last ....
__________________
Dave Ribeiro 1033 STK |
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#4 |
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Join Date: May 2010
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Thank You all
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#5 |
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x2
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Bob Bender 144 O/SA 2010-2012 National Record Holder |
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#6 |
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X3!
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Ed Wright 4156 SS/JA |
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#7 |
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What # Autolite ? ---Trevor
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#8 |
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..
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Gary H Humrichouse 736 STK Last edited by Gary H Humrichouse; 11-23-2012 at 11:36 AM. |
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#9 |
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For the original poster's application I would use an Autolite AR24 (5/8' .460 reach). It is in the middle of the heat range. AR25 is hotter and AR23 is colder.
Index it and open the gap up to about .045 if you are using a short duration/intense racing ignition system like a MSD 7AL2. YMMV. |
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#10 |
Veteran Member
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I've been using Accell plugs for years now. They last me all year usually. Not sure who they are made by but they offer good tuning with a wide heat range. Jim
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__________________
Jim Wahl....NHRA #2239 S/SS - IHRA # 8 Stock, D2 Stock Champion (forever I guess) 2019 Baby Gators Stock Champion 2009 NHRA D2 National Open Stock Champion 1982 NHRA D2 West Palm Beach LDRS SS Runner Up Past President, Southern Stock / Super Stock Association. ![]() |
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