Need help choosing Spark Plugs.

Lostcause

Member

May 27, 2004

81

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9

Homestead Fla.

Oct 5, 2008

#1

• Oct 5, 2008

• #1

I'm wanting to change my spark plugs so I don't run into issues later on down the road. I have an 06 GT with only 8000 miles on the car,c(I don't drive it that much, it just sits in the garage). It has a magnacharger on it so I would like to go to a cooler heat range plug, I just don't know what brand to go with. Ant help would be appriciated. Thanks

 

Five Oh Brian

Member

Jun 13, 2007

552

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Pacific Northwest

Oct 5, 2008

#2

• Oct 5, 2008

• #2

My car is supercharged, as well. Colder plugs are a big help. Copper is a much better conductor than platinum, but doesn't last as long, but forced induction needs the better conductor.

I bought FRPP 3V0 copper spark plugs (1 heat range colder than stock) for my blown 07 GT and they made a very noticable difference immediately (smoother running, no spark blow out, more power, etc.) Sure, I'll have to replace them more often (once a year, maybe every other year), but they work way better than the factory platinum crud.

Not cheap at $140 for a set of 8, but well worth it.

 

Lostcause

Member

May 27, 2004

81

1

9

Homestead Fla.

Oct 5, 2008

#3

• Oct 5, 2008

• #3

Thank you Five Oh Brian, I'm guessing I can get them through Ford. Also, how much of a difference did they make?

 

Five Oh Brian

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Jun 13, 2007

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Pacific Northwest

Oct 5, 2008

#4

• Oct 5, 2008

• #4

Lostcause said:

Thank you Five Oh Brian, I'm guessing I can get them through Ford. Also, how much of a difference did they make?

Click to expand...

Haven't dyno'd again since putting them in, but the car runs much smoother and no more spark blow out or misfiring.

I bought my set at a local Mustang shop, but just about any big name vendor should have them. They are in the Ford Racing Parts catalog and are the 3V0 model # for 05-09 Mustang GT's (and 04+ Ford F-150's).

I've heard good things about the Autolite HT0's and the Brisk plugs, as well. Colder heat range and copper are key, though, to having a great plug for your supercharged Mustang.

 

xtweakerx

New Member

Feb 26, 2007

411

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Jupiter,FL

Oct 6, 2008

#5

• Oct 6, 2008

• #5

what plugs would be good for N/A?

 

Five Oh Brian

Member

Jun 13, 2007

552

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Pacific Northwest

Oct 6, 2008

#6

• Oct 6, 2008

• #6

xtweakerx said:

what plugs would be good for N/A?

Click to expand...

N/A with lots of mods could certainly benefit from the better spark provided by a colder, copper plug, but you could get away with the factory platinum plugs for 100K miles just as easily.

As the factory plugs are prone to breaking when being removed (increasingly as the miles pour on), then a N/A car with lots of miles might be better to leave the factory plugs alone. A low miles N/A car should get new plugs or at least put anti-seize compound on the barrels of the factory plugs to prevent breakage in the future when it's time to replace them.

 

Lostcause

Member

May 27, 2004

81

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9

Homestead Fla.

Oct 6, 2008

#7

• Oct 6, 2008

• #7

Thanks again. I think I'm going to go with the 3V0 plugs.