2005 3-Valve Heads. Compatable with our 4.6's for easy swap?

01Black_46

New Member
Feb 29, 2004
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As many of you know, the 05 will come out with many goodies such as 3-valve heads and variable timing. This gives the engine 300 @ 6K HP and 315 @ 4.5K TQ. Does anyone know the compatability of the heads with our blocks to use them as heads swaps?? Also, how does the variable cam timing work and how big of a problem would this be?? By the demonstration of the variable cam timing, it seems that the cam gear is run by a wound spring that compresses at different engine speeds. Demonstration
Hoppefully, a superchip would work :shrug:
 
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