I just hit 100k in my truck and I'm trying to figure out what's the best choice for new spark plugs in my 4.6 2v. I have no idea what to use. What have you guys used for spark plugs when you changed them?

 

1. OEM Motorcraft.
2. Denso Iridium IT-16's.
3. If running boost: IT-20's

MGD

PS - before glc jumps in - 28ft-lbs, DRY ( no anti-seize)

 

i have an 05 skrew with the 5.4 . i jus changed 1 of mine thak had fouled out . that is the last plug that will go into the truck as long as i oen it. worst thing i have ever attempted on an engine.. hope u have better luck. and if yours have the same type of plug as mine do your research and ask a ford tech and follow there advice exactly as they tell u .. there r tricks to remove them........ safe cracking is easier..lol

 

There are no tricks to changing the plugs on a 4.6 2v. Very straight forward.

To the OP: You put 100,000 on a set of plugs and want to know what plug to use? Use the same one you take out! Motorcraft. How could one be any better?

 

JIM! WTF? He's a new guy!

Attention - OP!

Don't use the same one ya took out!

Use a NEW one just like it!


MGD

 

Yeah, I grinned when I wrote that and started to change it. Then thought, no, there is only one goofus on here with such a twisted mind to catch that.

 

Well, this time Shotgunz done missed it.

Glad I could fill in


MGD

 

He's doofus, you're goofus.

 

thanks - I always get that confuded


MGD

 

Apples and oranges. The 5.4 3v is nothing at all like the 4.6 2v. Totally different plugs and head design.

 

haha thanks , sooo..motorcraft is the best choice?

 

Yep - for the price per plug - can't be beat, Denso's are pricey.

MGD

 

umm...........yes