5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

plug gaps

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Old 06-29-2007, 12:36 PM
  #1  
bfuller
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Default plug gaps

whats should i gap my plugs at its a stock motor sn95 5.0 with air filter and exhaust
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Old 06-29-2007, 02:03 PM
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subhumantat
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Default RE: plug gaps

you should gap them between .035-.040 with a gauge, althoughmost plugs from any factory already have them set there, you only need to go bigger when your producing much higher spark for an engine that needs it
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Old 06-29-2007, 02:33 PM
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Blckstng93
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Default RE: plug gaps

The gaps are really that small on them stangs?
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Old 06-29-2007, 02:35 PM
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AdderMk2
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Default RE: plug gaps

no, its not. stock recommended gap is .054"

I usualy go slightly smaller. .045-.048
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Old 06-29-2007, 02:41 PM
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91hatchgt
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Default RE: plug gaps

ORIGINAL: AdderMk2

no, its not. stock recommended gap is .054"

I usualy go slightly smaller. .045-.048
What are the benefits of that?
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Old 06-29-2007, 03:10 PM
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AdderMk2
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Default RE: plug gaps

slightly hotter spark without cutting down on combustion efficientcy.

Also better for when i use my nitrous
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Old 06-29-2007, 03:12 PM
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91hatchgt
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Default RE: plug gaps

ORIGINAL: AdderMk2

slightly hotter spark without cutting down on combustion efficientcy.

Also better for when i use my nitrous
I thought you were supposed to go to a slightly colder plug with nitrous? Maybe I am wrong..
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Old 06-29-2007, 03:16 PM
  #8  
AdderMk2
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Default RE: plug gaps

only when you spray enough. I typically only run a 75 shot and have experienced spark blow-out with stock gap, so I needed to gap slightly smaller
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