5.4 engine swap
Good Luck!!!
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The head redo was in mid-08. The engines with the old heads have black COP boots, the new ones have brown boots.
Without searching the forum to prove it, I believe I remember issues trying to put an 09/10 engine in a 04-08 truck.
Without searching the forum to prove it, I believe I remember issues trying to put an 09/10 engine in a 04-08 truck.





