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O/T Ford 6.4 L diesel MPG?

Discussion in 'Uncategorized Threads' started by M-16, Sep 25, 2008.

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  1. M-16

    M-16 TS Member

    Dec 17, 2006
    10 would be a guess comparing to F-350 with 4:10 The 4:30 will hurt if you want to run 65mph or higher. Best mpg keep rpm's 2K or under 4:30's should be around 60mph. How big of a 5th wheel are you talking. I pull a 33' @ 14000lb F-350 dually 4:10 rears, but my F-250 pulled it fine 3:73. The duals justs adds some extra safety doesn't pull any more. The 373 got 13.5 mpg 410 gets 11, but I pulled at faster speeds with the 373's. My opinion a 450 is overkill [money wise] unless your pulling over 15000lbs. Check out the web a buddy just bought a brand new 2wh dr dodge loaded $44k list for $25k it was a 07 hold over with the 06 engine in the Philly area
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