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  #1  
Old 02-27-2012, 11:10 AM
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Default Which Motorcraft spark plug is the right one?

Changing spark plugs and wires for my '95 4.0L V6 for first time (Its at about 160K so it prolly about time.) Got the Motorcraft wires online for about $40.

The Motorcraft website says to use Spark Plug AWSF-42P-P and lists them as the "Supersession" (means they are updated version and better than original?). All other retailers and online sources say to use SP486. Price on all of them varies greatly.

Which is the latest and greatest? Does it matter

Also, are Autolites exactly the same models and/or quality?
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  #2  
Old 02-27-2012, 11:11 AM
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Get autolight double platnums
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1999 Ford Ranger EXT Cab 3.0 4x4|Toreador Red|Fog lights in grill|K&N Drop In Filter|Throttle Body Spacer|2.5 Inch Dynomax Turbo SS Exhaust Cat-Back|Pro Comp 15x8 Rims|31x10.5 Pro Comp Tires|Clear Black Tails|Clear Front Signals|OHC Install|Explorer Center Console|Bucket Seats|

1999 Ford Ranger XLT 4 Banger 5 Speed|Full Tune Up|2/3 IN Drop|Front And Rear Light Tint|Konig Tremor 17X8 Rims|Thrush Turbo Muffler|DJM Calmax Shocks|Coil Pack Mod|03 Front End Conversion|8000k Hids
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  #3  
Old 02-27-2012, 11:27 AM
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Default Re: Which Motorcraft spark plug is the right one?

Motocraft double platinum.
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  #4  
Old 02-27-2012, 12:15 PM
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Default Re: Which Motorcraft spark plug is the right one?

Yeah, but which part # is correct for the Motorcrafts? They don't list them as "Double Platinum" or if they are they new "Fine Wire" or anything like that
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  #5  
Old 02-27-2012, 01:32 PM
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Quote:
Originally Posted by drew10dall
Yeah, but which part # is correct for the Motorcrafts? They don't list them as "Double Platinum" or if they are they new "Fine Wire" or anything like that
They don't list motorcraft as double platnums because autolite makes them

----------

Quote:
Originally Posted by shizzle8787
Get autolight double platnums
^ this
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1999 Ford Ranger EXT Cab 3.0 4x4|Toreador Red|Fog lights in grill|K&N Drop In Filter|Throttle Body Spacer|2.5 Inch Dynomax Turbo SS Exhaust Cat-Back|Pro Comp 15x8 Rims|31x10.5 Pro Comp Tires|Clear Black Tails|Clear Front Signals|OHC Install|Explorer Center Console|Bucket Seats|

1999 Ford Ranger XLT 4 Banger 5 Speed|Full Tune Up|2/3 IN Drop|Front And Rear Light Tint|Konig Tremor 17X8 Rims|Thrush Turbo Muffler|DJM Calmax Shocks|Coil Pack Mod|03 Front End Conversion|8000k Hids
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  #6  
Old 03-01-2012, 08:46 PM
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Default Re: Which Motorcraft spark plug is the right one?

Still not really an answer to my question, but nice job answering questions no one is asking....

Just want to know which one to use!
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  #7  
Old 03-05-2012, 09:29 PM
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Default Re: Which Motorcraft spark plug is the right one?

7 months ago, I replaced my plugs in my 2005 4.0 4x4 AT. I used Autolite AP5143...gap at .054. That was about 3000 miles ago. Runs great....best mpg was 19....and that was pulling my 14' fishing boat.
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