So I learned a little about the exhaust on this beast from a very reliable source.
The Catalytic Unit and the Filter/Carbon Reactor are a one piece unit and must be serviced together. They weigh 150 pounds. Yup you heard it right. Because of the weight, two service technicians are now required to work on the exhaust.
At 120,000 miles the truck goes into a reactor mode and burns off the Carbon that builds up in the filter. Then the filter needs to be serviced. This requires a trip to the dealer. Who has to purchase from ford a $10,000 tool that shakes the filter and removes the carbon ash.
Because the concentrations of ash and other elements are so high the State of California consideres this a Haz. Material and anyone working on the exhaust has to be in a full haz mat. suit.
So the dealers are not real happy about this new requirment. Many dealers are thinking about co-oping a central exhaust service center and just exchanging out the exhaust when it comes time and then sending the spent system to a central location to rejuvinate them.
Oh, and the kicker the smog laws become so stringent in 2010 that this 6.4 design will be absolete. Ford is looking at only a two year production run on these engines. So be leary very leary about going out and buying one.



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