Triggering from cam and crank is different between engines. It's not the number of plugs that matters. If you used modified tone wheels, may be.
I believe they are the same from 02 and up. Can't remember what year they changed.
One person has swapped out his pcm with the hem and it started and ran.
I'll figure it out somehow. Lol
thanks for plugs. Finally figured out how you remove the wire. Lol
There has been lots of people running 5.7 with 4.7 ecm but are not posting much info.
Must be a mopar thing . lol
Matt
