Well we were having a heated debate on the 04 cobra head thread count for the spark plugs on a little site in Phoenix.
Well it appears in late 03 the 04 production line went to 9 threads.
I know this issue has been debated to death, but some 04's have 9 threads.
Photo evidence.
http://www.highperformancestangs.com/forums/showpost.php?p=11949&postcount=84
The Hole Debate if you care to read it.
http://www.highperformancestangs.com/forums/forumdisplay.php?f=19
Well it appears in late 03 the 04 production line went to 9 threads.
I know this issue has been debated to death, but some 04's have 9 threads.
Photo evidence.
http://www.highperformancestangs.com/forums/showpost.php?p=11949&postcount=84
The Hole Debate if you care to read it.
http://www.highperformancestangs.com/forums/forumdisplay.php?f=19