Quote Originally Posted by dallasb84 View Post
the oems are platinum because ford uses a wasted spark ignition system .... dont put coppers in there... use platinum motorcraft. not bosche either they are very shitty and the iridiums are junk
How is it wasted spark? 99 and up 4.6L use the coil on plug system. I don't see how much more efficient it can get.

Quote Originally Posted by dallasb84 View Post
get new plugs and wires and youll be good
And considering my above comment, his car doesn't have plug wires.