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V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters
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Old 05-09-2008, 07:31 PM   #1
stanglover1250
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Default Spark plug

What is the best spark plug for my car? should i go for copper, platinume, or iridium?
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Old 05-09-2008, 07:35 PM   #2
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Default RE: Spark plug

same question for me i have a stock 04 v6 stang with 90,000 miles and its about time to change the plugs, looking for something good to go with my soon to be dual exhaust, intake, and tuner
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Old 05-09-2008, 10:02 PM   #3
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Default RE: Spark plug

Anyone?
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Old 05-10-2008, 01:13 AM   #4
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Default RE: Spark plug

NGK T455s work awesome. I have them on my GT and Im very happy with them.
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Old 05-10-2008, 04:15 AM   #5
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Default RE: Spark plug

Stock Ford equipment is Platinum plugs. I would stick with that.
Also the drivers side uses different plugs than the pass side due to the coil pack design.
The reason for this is due to the Wasted Spark ignition system.

Here are the part numbers you need if you want to stay stock platinum plugs.

Left side cyl 1-2-3 : AWSF-42E
Right side cyl 4-5-6 : AWSF-42EG

They are different because of again the WSI mentioned up top, so one has plat on the electrode and the other plat on the tip. This saves ford a couple cents in platinum but it adds up for those cheap ol guys.

These plugs are a direct replacment and have plat tips and electrodes and can be used on both sides. This is the most common choice and easiest.

Plat Tip and Electrode plugs: AWSF-42EE

Another choice you have is to run copper plugs which run just fine and are half the cost.

Copper Plug: AWSF-42C

I have been running NGK V-Power copper plugs in the ol nag and they run fine. I just pulled them the other day and they are in perfect condition.

Another expensive option to go by is the Motocraft Fine wire platinum plugs, but those are $5 dollars each and if you go to NGK Iridium then you spend $8 bux each.

I like my $1 dollar NGK's LOL (DOH! They rose the price to $2 dollars! B@STARDS!)
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Old 05-10-2008, 05:47 AM   #6
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Default RE: Spark plug

My $12 a piece NGK's are all the same part number and work friggin awesome
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Old 05-10-2008, 12:59 PM   #7
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Default RE: Spark plug

Quote:
ORIGINAL: RyansQuick6

My $12 a piece NGK's are all the same part number and work friggin awesome
What NGK's are 12$ each!!!
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Old 05-10-2008, 01:31 PM   #8
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Default RE: Spark plug

I have Autolight Double Platnum in mine and havent had a problem yet. They cost me $25.97 for 8.


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Old 05-10-2008, 01:42 PM   #9
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Default RE: Spark plug

I have Denso iridiums, they are great. Just don't get Bosch - they suck.
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Old 05-11-2008, 03:25 AM   #10
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Default RE: Spark plug

What, no "MAKE THIS A SPARK PLUG STICKY!!!"

lol you people dont respect me anymore :P

PS. When I get the Accel coil pack, plug wiresand/or DIS-4 I will upgrade to iridium, but thats $60 dollars I dont want to spend just yet.
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Old 05-11-2008, 03:25 AM
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