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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.

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Old 08-06-2007, 10:51 PM   #1
92FOX
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Default 5.0 Spark Plugs





I recently Installed Spark Plugs on my 5.0 - And the guy at the Advanced Auto Parts said "Gap them to 54" ?
Well i did, The outcome is the idle feels worst lol. And then someone told me to gap them in between 42 - 46 ?
What is the proper gap for this car!!!

And Can i salvage the current Spark Plugs , If not i will rebuy i went with Motor Craft the first time should i do it again!




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Old 08-06-2007, 10:53 PM   #2
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Default RE: 5.0 Spark Plugs

yes, you can regap your plugs. i dunno the proper gap off the top or my head though, isnt it on that little sticker ford stuck under your hood?
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Old 08-06-2007, 10:56 PM   #3
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Default RE: 5.0 Spark Plugs

hmmmmmmmmmm gaping them that wide???? did that nutcraker at advance happen to sell you platnium plugs??? if so I'd remove them and install a set of copper core standard resistor plugs........damn pendejo's at autozone always try and get me to buy the platniums[:'(]
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Old 08-06-2007, 11:00 PM   #4
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Default RE: 5.0 Spark Plugs

Autolites work great too!!!! Don't buy champions either.........I'll never forget what one of my old bosses told me years ago when I mentioned I was going to buy a set of champions....he said...."man dem cottin' pickin' things only run good in lawnmowers.........!!!! by golly he was right my champions never have failed me in my lawntractor!!!
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Old 08-07-2007, 12:00 AM   #5
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Default RE: 5.0 Spark Plugs





How do i find out the proper gap?

And how do i regap a plug that has already been gapped ? push down on it


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Old 08-07-2007, 12:09 AM   #6
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Default RE: 5.0 Spark Plugs

54 is the proper gap
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Old 08-07-2007, 01:17 AM   #7
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Default RE: 5.0 Spark Plugs

check ur firing order
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Old 08-07-2007, 01:34 AM   #8
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Default RE: 5.0 Spark Plugs

its amazing how MJR46 is quick to call the parts person a dumbass... even though stock gap recommendation IS .054"

just goes to show why some people shouldnt have their own shop
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Old 08-07-2007, 01:39 AM   #9
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Default RE: 5.0 Spark Plugs

if you have to ask if you can regap spark plugs then.....[&:]

and yes .054 is the correct gap for your 5.0
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Old 08-07-2007, 06:55 AM   #10
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Default RE: 5.0 Spark Plugs

call the parts guy a dumbass???? hmm mr adder didn't see that word in my post????
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Old 08-07-2007, 06:55 AM
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1983, 50, autolite, blaster, correct, ford, gap, gaping, ho, msd, mustang, plug, plugs, resistor, spark

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