i took the web course for the 6.4 and took the test with no problem looks like theres techs out there that want the money without having to work for it
I ALSO USE THE BOOK FOR REFRENCE ALL THE TIME IN
FACT I GOT MINE WHEN I TO THE DIESEL ENGINE PERFOMANCE CLASS AT THE FORD TRAINING CENTER AND NOW IT STAYS ON MY TOOL BOX FOR WHEN I NEED IT
JUST TO GIVE SOME FYI ON THIS ENGINE IF YOU GET A 4.5 DEISEL AND YOU FIND LOW ICP PRESSURE THE HP OIL PUMP HAS THE SAME FITTING AND BLOCK AS THE 2005-2007 6.0 BUT THIS ONE EASIER TO REPLACE THEN THE 6.0 EASIER TO GET TO EVERYTHING