haven't noticed any problems, but there are 50k miles on my plugs and wires now so probably wouldnt hurt to replace all that. just curious which plugs are recommended for the 4.0 and what they need to be gapped at. thaaaanks!

 

Why fix something if it aint broken.

 

red green show FTW!!!!

 

hahaha its not like im gonna go do this tomorrow, im just trying to get an idea. and will likely just have it sitting in my closet till a problem arises. but i'd like to have the parts ready if something does suddenly come up ya know?

but for the most part, i just want an idea of what i should go with

 

Motorcrafts......nuff said. Dont get caught up in all the "OMG this new plug from such and such is awesome!!!" just stick with the original and youll be more then fine dude.

 

ngk iridiums best plug period.

unless your wire insulation is melted or something i wouldnt touch em. oem if you really wanted to replace them

 

motorcraft SP440 plugs. that is all.

 

I am running motorcrafts and duralast wires.

i like champions and autolites.

FOR THE LOVE OF GOD do not buy Boschs. They are the worst.

 

i disagree, those run too cold, maybe for a supercharged application.

run the stock motorcraft or autolite plugs. Then you can run whatever plug wires you want to pay for.