4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

spark plugs

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Old 06-29-2006, 05:11 AM
  #1  
98GTpony
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Default spark plugs

which one should i use

NGK Part # 3951
Plugs - SOHC {.054 gap} {V-Power Plug #TR55}

NGK Part # 3403
Plugs - SOHC {.054 gap} {G-Power Platinum Plug #TR55GP}

NGK Part # 7164
Plugs - SOHC {.054 gap} {Iridium IX Plug #TR55IX}

NGK Part # 6044
Plugs - SOHC {.054 gap} {Premium Iridium Plug}
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Old 06-29-2006, 06:21 AM
  #2  
98 Mustang GT
 
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Default RE: spark plugs

I think NGK are for japanese cars , I would go with stock motorcrafts, get them at autozone $4 a piece
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Old 06-29-2006, 06:37 AM
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geetee03
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Default RE: spark plugs

nkg are not just for jap cars. i've heard good things about the iridium plugs.
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Old 06-29-2006, 07:45 AM
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FDNYBullitt
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Default RE: spark plugs

If the car doesn't have a bunch of mods then I agree with just using stock Motorcraft plugs. We've seen more problems with just about any aftermarket plugs then we do with the OEM plugs. For some reason these motors seem to like the stock ones, good luck.
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Old 06-29-2006, 08:50 AM
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blueherd02gt
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Default RE: spark plugs

amen
ORIGINAL: FDNYBullitt

If the car doesn't have a bunch of mods then I agree with just using stock Motorcraft plugs. We've seen more problems with just about any aftermarket plugs then we do with the OEM plugs. For some reason these motors seem to like the stock ones, good luck.
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Old 06-29-2006, 12:14 PM
  #6  
qbuswell
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Default RE: spark plugs

I just put the iridium in my car and it runs smooth. awsome plugs. not just for japs.
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Old 06-29-2006, 01:29 PM
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DRWStanley2002
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Default RE: spark plugs

I am using NGK TR-6 /4177/. It is one stage colder for NOS use. Runs great
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Old 06-29-2006, 03:28 PM
  #8  
monkeydude3
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Default RE: spark plugs

i put the stock motorcraft ones in my 97 GT... loves um.. they are platinums or something

unless you have a shaz load of mods, oems are fine
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Old 06-29-2006, 03:40 PM
  #9  
98GTpony
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Default RE: spark plugs

got ya thanks guys
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Old 06-29-2006, 03:46 PM
  #10  
luckymckay21
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Default RE: spark plugs


ORIGINAL: qbuswell

I just put the iridium in my car and it runs smooth. awsome plugs. not just for japs.
+1. I love em so far
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