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spark plugs

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Old 07-08-2008, 09:17 AM
  #1  
steve r
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Default spark plugs
Iam using autolite platinums now and people say not to, so autolite 24's good? and gapped to .042?
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Old 07-08-2008, 09:42 AM
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Default RE: spark plugs
or what about motorcraft plugs?
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Old 07-08-2008, 11:13 AM
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HACKGT350
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Default RE: spark plugs
autolite 24's are alright platinum will burn up way to fast in your engine. motorcraft is very good i have had very very good luck with ngk plugs
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Old 07-08-2008, 11:20 AM
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Default RE: spark plugs
I just picked up motorcraft coppers.. Whats the best gap for a mostly stock 5.0? I know .054 is what the book says
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Old 07-08-2008, 11:32 AM
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Default RE: spark plugs
gap it to what the book says
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Old 07-08-2008, 11:37 AM
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Default RE: spark plugs
the book also says platinum so i was thinking the gap is different too
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Old 07-08-2008, 12:29 PM
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camaroeater
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Default RE: spark plugs
I gapped my autolite coppers to .050". I'm gonna gap at 052"...between the different gaps i hear of.
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Old 07-08-2008, 07:26 PM
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mustangguy82
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Default RE: spark plugs
i was told by this guy that came to my shop to use ngk racing seriesr5671a-7 for aluminum heads i am going to buy a set this weekend and see how they work
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Old 07-08-2008, 10:18 PM
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steve r
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Default RE: spark plugs
When I first got the car they were gapped at .042 then I changed them to .054 with platinums now im gunna change them to coppers and im not sureif i should use .042 .045 or .054
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Old 07-09-2008, 12:55 PM
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Default RE: spark plugs
If i gap them to .042 is that gunna be fine?
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