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12-03-2012, 05:08 PM
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#21
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Senior Member
Join Date: Apr 2011
Posts: 329
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I use Shell Rotella 15W-40 and change it every 3000-5000 miles, I tow a lot.
Owners manual says 2500 miles if using the truck for hard duty. 5000 if regular duty.
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2011 Keystone Cougar 276RLSWE
1994 Ford F350 7.3L IDI DRW
LoveYourRV.com
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12-03-2012, 09:36 PM
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#22
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Senior Member
Join Date: Jun 2012
Location: Groton Long Point, CT
Posts: 151
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Valvoline Extreme Blue 5-40 full synthetic.
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2012 F350 DRW King Ranch 6.7 Diesel
2012 Keystone Hideout 31BHSWE
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12-04-2012, 03:26 AM
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#23
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Member
Join Date: Oct 2011
Location: Virginia
Posts: 48
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Diesel Use and Oil Changes
Last year I put 2K miles on my diesel. If I went my miles alone, it would be a long time to get to 5K or 7.5K miles before changing the oil. Is once per year adequate enough with low miles?
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2012 Keystone Laredo 335TG
2008 Ford F250 King Ranch 6.4L Diesel
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12-04-2012, 07:57 AM
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#24
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Site Team
Join Date: Jun 2009
Location: Venice
Posts: 5,346
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Quote:
Originally Posted by wrighfr58
Last year I put 2K miles on my diesel. If I went my miles alone, it would be a long time to get to 5K or 7.5K miles before changing the oil. Is once per year adequate enough with low miles?
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I would try doing an oil sample test and go by the results of that. As long as there are no harmful buildups or dilution I would say there is no problem extending time and a $20 sample is cheaper than an oil change. (If it shows no problems)
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Hank & Lynn
2007 Cougar 290RKS, E-Z Flex, 16" XPS RIBs ( SOLD .. Gonna miss her ... looking for new 5r)
2004.5 Dodge 2500 QC, LB, 5.9HO, WestTach gauges, Ride-Rite
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12-04-2012, 10:59 PM
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#25
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Senior Member
Join Date: Apr 2012
Location: Portland, OR
Posts: 4,180
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Quote:
Originally Posted by wrighfr58
Last year I put 2K miles on my diesel. If I went my miles alone, it would be a long time to get to 5K or 7.5K miles before changing the oil. Is once per year adequate enough with low miles?
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Must only drive to tow the 5er, what a waste of a beautiful truck. I would agree with the pull the sample, depends on who changes your oil. It runs $25 to $35 for testing at Blackstone Labs, I can change for about $50 if I get my oil on sale, and as I only change about once a year not a problem.
You need to get out more often and go farther on each trip, diesles don't like doing a bunch of short driving.
__________________
Russ & Paula and Belle the Beagle.
2016 Ram Laramie 3500 DRW 14,000# GVWR (New TV)
2005 Copper Canyon 293 FWSLS 32’ GVWR 12,360
Visit and enjoy Oregon State Parks
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12-05-2012, 08:30 AM
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#26
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Site Team
Join Date: Jun 2009
Location: Venice
Posts: 5,346
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Or you could send that pretty truck on vacation to New Jersey and I would be glad to put some miles on it ..... Heck, I would even return it with fresh oil change. I'm not a Ford guy but I am willing to sacrifice for the cause. Hank
__________________
Hank & Lynn
2007 Cougar 290RKS, E-Z Flex, 16" XPS RIBs ( SOLD .. Gonna miss her ... looking for new 5r)
2004.5 Dodge 2500 QC, LB, 5.9HO, WestTach gauges, Ride-Rite
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12-18-2012, 05:39 PM
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#27
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Junior Member
Join Date: Dec 2012
Location: Arizona
Posts: 16
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I use Amsoil first because I like the proven results on the wear ball test but also because Mercruiser calls for the same weight in BOTH of my 496's in the boat. The Mercruiser synthetic cost more then the Amsoil and the Mercruiser blended semi synthetic is about the same. So I choose to buy in bulk once a year for the truck and boat, 10 gals in total giving me little spare.
My truck is fairly low miles per year at about 5000 a year and an oil change once a year here in the warm AZ climate is fine.
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2012 3495 FL hitched to a 2008 F450
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01-16-2013, 01:39 AM
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#28
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Member
Join Date: Jan 2013
Location: SE MI
Posts: 74
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I run T6 in my 6L...seems happy with cold starts.
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08 Springdale
05 Ford F250 PSD
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01-16-2013, 07:44 AM
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#29
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Senior Member
Join Date: Mar 2011
Location: Washington State
Posts: 859
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OK I will be the odd one on this subject, I use Schaeffer 5/40 in everything from the pressure washer up to the semi trucks and have been using it for 10 years. Crazy I am but I still change oil every 3000 miles. My dealer says im throwing money out the window, I guess I have the old school thinking still in my head.
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Ron
99 Freightliner FL70 Western Hauler CC 300 HP Cat/Chipped/ Allison Auto
12 Montana 3800RE/Level-Up Auto Leveling/Slide Toppers/MorRyde Hitch/VuQube 2000
01 F350 7.3 PSD Crew Cab DRW 4X4 6 Speed/Chipped
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01-16-2013, 11:34 AM
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#30
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Senior Member
Join Date: Jan 2011
Location: wv
Posts: 504
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Valvoline blue in my cummins change it every 5000.
__________________
2002 Chevy Avalanche 5.3 k&n cold air intake
2011 keystone hideout 26b
New tv 2005 dodge lb ctd quad cab
New TT 2014 j@%$O 32BHDS
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01-20-2013, 05:07 PM
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#31
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Member
Join Date: Dec 2012
Location: Torrance,CA
Posts: 67
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I have a micro trucking company with medium duty trucks. I change my oil twice a year for every truck. Miles can be anywhere between 5,000 miles and 15,000 miles. Typically the 5,000 miles would be the 7.3L and 15,000 could be for the DT466E. I buy oil by the drum. Sometimes I get bargains and sometimes I do not. I usually buy the "house" brand which most claim to be the Chevron Delo. When I say house brand I mean the supply companies branded oil. Regardless of brand I always get 15W-40.
I recently overhauled my 7.3 out of the pick up truck with 250,000 miles and the engine was spotless inside. I was surprised considering I change my oil by calender and not miles. Overhaul was because of driver (me) and utilizing the large injectors and turbo. The bearings were perfect and could easily have gone another 250,000, but the hole in the piston had to be fixed! With that being said, hard miles and calender oil changes seem to work just fine even for my engines with Hydraulic Injection systems. Hydraulic injection systems have a tendency to shear the oil and require more frequent oil changes. My 5.9L gets the exact same treatment.
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1999 Ford F350 Dual Rears, Limited Slip 4.10, heavily modified engine and transmission, Class V hitch, goose neck and fifth wheel, Support air bags with in cab controls integrated into Dashboard
2013 Keystone Fuzion 301, Dual A/C's, Fantastic Fan 6600R, Upgraded stereo with an amplifier and subwoofer, Dirt Devil Central Vac, Dewalt pancake compressor, Black and Decker Space Maker Coffee maker, Cabinet above garage entry door, 5# mattress topper 2.5" thick
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