Thread: tune pro's
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09-28-2011 03:35 PM #1
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tune pro's
can you tell me how hot of plugs i can run without hurting motor? I have a rod with 302,327,or 350 in it,according to the block #'s.194 heads.when I got it it had autolite ap26 plugs in it.seem to run fine but swithed over to a set of accel shorties to get some header clearance on wires.shorties only come in one heat range ,I think about 2 steps colder than the ap26's.went up to kansas over the weekend for show & cruise and wound up changing plugs in the parking lot with barrowed tools.not a fun job on this ride.only had about 400/500 miles on the shorties and they craped out.now I think I need to go back to ap26 or hotter but dont want to hurt anything.A man has to know his limatations,but my list keeps exspanding. 
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09-28-2011 04:07 PM #2
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I, personally, would not run Accel's on anything and I'd go back to the Autolites.Ken Thomas
NoT FaDe AwaY and the music didn't die
The simplest road is usually the last one sought
Wild Willie & AA/FA's The greatest show in drag racing
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09-28-2011 04:44 PM #3
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accels like AC`s are good for lawn mowers ... autolite all the way ..." this opinion is mine and mine alone and does not reflect the views of this forum " ... disclaimer ...iv`e used up all my sick days at work .. can i call in dead ?
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09-28-2011 06:04 PM #4
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Heat range can only be determined by "reading" the plugs and balancing the heat range of the plug and the jet size, float setting, and idle screw adjustments on the carb. Accel plugs are not noted for longevity in any engine! I'm with the others, I run Autolite's on the street, and NGK, Bosch, or Autolite for racing.Yesterday is history, tomorrow is a mystery, Live for Today!
Carroll Shelby
Learning must be difficult for those who already know it all!!!!
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09-28-2011 06:04 PM #5
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AUTOLITES for the win ... AC i just do not use they maybe fine but after many bad sets in the new boat engines i worked on turned me off on themIrish Diplomacy ..the ability to tell someone to go to Hell ,,So that they will look forward to to the trip
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09-29-2011 07:18 AM #6
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autolites or ngk only...
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09-29-2011 07:44 AM #7
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NGK is my choice for the performance engine.Roger
Enjoy the little things in life, and you may look back one day and realize that they were really the BIG things.
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09-29-2011 09:18 PM #8
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You can get different heat range Accel's from Summit.
Keith
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09-30-2011 12:03 PM #9
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Autolites for me.
Lynn
'32 3W
There's no 12 step program for stupid!
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Ditto on the model kits! My best were lost when the Hobby Shop burned under suspicious circumstances....
How did you get hooked on cars?