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04-03-2018, 05:45 AM
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#41
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,550
M.O.C. #2283
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I agree with all the above EXCEPT what is highlighted. Neither will improve fuel mileage. The K&N will foul your MAF and allow more dirt to enter your engine. The factory air filter will allow more than enough air for your power level. A low-restriction air filter on a diesel will not improve fuel mileage.
This is worth repeating. It’s true if you have any doubt have a oil analyst run.
Lynwood
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04-03-2018, 09:34 AM
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#42
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Montana Master
Join Date: May 2016
Location: Cuyahoga Falls
Posts: 699
M.O.C. #18572
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Agree to disagree.
__________________
ATC/NAC Jerry A. Burkholder, USN (RET.)
Rule #1. The Chief is always right.
Rule #2. When in doubt, refer to rule #1.
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04-16-2018, 05:50 PM
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#43
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Seasoned Camper
Join Date: Apr 2018
Location: Foristell
Posts: 76
M.O.C. #21573
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Agreed
__________________
Rick and Jeanne
2013 F350 6.7 CC LB SRW
2018.5 Montana 3791RD
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04-16-2018, 06:10 PM
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#44
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Seasoned Camper
Join Date: Apr 2017
Location: Arkansas
Posts: 53
M.O.C. #19741
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Arch Oil AR6200 ..... Do not fill my tank with out it
Also AR9100 at every oil change
__________________
Brian & Pam
2017 305RL High Country
2005 F-350 Lariat
6.0 Power Stroke Diesel
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04-17-2018, 04:56 AM
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#45
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Montana Fan
Join Date: Jul 2013
Location: Murfreesboro
Posts: 163
M.O.C. #13637
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We just installed a Spartan tuner and removed all the emissions junk on the exhaust of my 6.4 . Have a ton more power/torque and getting about 4 more miles to a gallon. If its out of warranty , I would recommend doing the same.
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04-17-2018, 07:29 AM
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#46
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Montana Master
Join Date: Oct 2004
Location: Salem
Posts: 7,550
M.O.C. #2283
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I have a Spartan tuner on mine. I’m tuned to the 210 early lock tow tune with EGR delete. Much much improved but you need to check your fuel mileage with a pen and paper and forget about your lie o meter. Mine said I was getting about 3 to 4 more MPG. It turns out I wasn’t maybe one.
It WILL pull a camper!!
Lynwood
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04-17-2018, 10:37 AM
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#47
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Montana Master
Join Date: Apr 2016
Location: Auburn
Posts: 879
M.O.C. #18474
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The 6.7L MAF is a very delicate sensor as mine has been replaced twice under warranty, turns out the real culprit was a stuck VGT. As for the K&N, I completely agree that it moves more air, but if you've ever seen the blades of a diesel turbo that has been running one for several thousand miles, it may change your mind. There is a fine line between too much oil that ruins the MAF and not enough that allows dust through. The grit that is allowed through wears off the edges of the turbo wheel. I still run them in my gas engines, but not in the diesels. The new Ford air intakes are made to flow enough air for up to 600hp without modification. I've changed every air intake on every truck I've ever owned, up until this one. Talk with some mechanics, look at true dyno data and look at the filter rates put out by the companies. Then go look at the independent testing facilities that have tested them. They are not all made equally that is for sure.
__________________
2020 Montana 3790RD Legacy EditionOnan, TST TPMS, TrailAir pin, Discs,
2013 F350 DRW 4x4 CC LBViair 10007, Ride-Rites, Westin HDx, 12k Smittybilt
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04-20-2018, 09:59 AM
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#48
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Established Member
Join Date: Dec 2006
Location: Leander
Posts: 24
M.O.C. #6577
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The dealer will take you trade, but they can not resale it. They will sell to a third party who will handle the next sale
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