Variable cam timing
#4
Thanks Brad, hard to tell how it works from this shot....but a good friend of mine gets wrecked stuff at his shop all the time. I guess I'm going to have to find a wrecked 04 5.4 out of a truck and "investigate"
#6
Anybody here qualified to answer why Ford went with a 3-valve design on the new '05 V8 as opposed to the more conventional 4-valve setup we see in the imports?
I think this is right, but I'm too lazy to dig out the Motor Trend article right now...
#7
I'm not qualified, but I vaguely remember that the geometry of the design lends itself to more efficient combustion. Better fuel economy, hp, etc. I also think that they mentioned that Mercedes had good results with the 3 valve setup.
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