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09-06-2016, 05:15 PM
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#1
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Senior Member
Newmar Owners Club Spartan Chassis
Join Date: May 2016
Location: Lake Charles (domicile)
Posts: 1,064
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Diesel Fuel Additives
On the newer 600ISX is it recommended that a fuel additive be used to help lubricate injectors, etc? Seems I heard that somewhere but have not found a source one way or the other.
if your using, please explain what and why. Thanks.
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Finding The Roads That Await Us
Rick & Lydia Williams
2018 Newmar Essex 4553
NKK Member 21619 / FMCA Member 465836
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09-06-2016, 05:34 PM
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#2
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Senior Member
Join Date: Nov 2008
Location: Cosby, Tn
Posts: 6,587
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Quote:
Originally Posted by rewillia
On the newer 600ISX is it recommended that a fuel additive be used to help lubricate injectors, etc? Seems I heard that somewhere but have not found a source one way or the other.
if your using, please explain what and why. Thanks.
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I don't believe that Cummins recommends any additives except an anti gel in very cold conditions. Practically, it's getting difficult to find diesel without a bio diesel component. The bio adds lubricity.
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Steve Ownby
Full time since 2007
2003 Monaco Signature
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09-06-2016, 06:52 PM
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#3
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Senior Member
Freightliner Owners Club
Join Date: Aug 2008
Location: Florida Keys
Posts: 2,687
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My 2006 chassis 400 ISL hates biodiesel and will hesitate if I put in a few tanks of B20. Whenever I have to use B20, I put in about 20 oz of the fuel addictive and it runs like a charm.
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Tom and Katharine
'07 Winnebago Tour 40TD, 400hp Cummins
'17 Winnebago View 24V, '02 R-Vision B+
RVing for 20 years & 200,000+ miles
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09-06-2016, 06:58 PM
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#4
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by Steve Ownby
I don't believe that Cummins recommends any additives except an anti gel in very cold conditions. Practically, it's getting difficult to find diesel without a bio diesel component. The bio adds lubricity.
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Actually Cummins now sells their own additive, I bought three bottles of it last year for storage.
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2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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09-06-2016, 06:59 PM
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#5
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by RVThere
My 2006 chassis 400 ISL hates biodiesel and will hesitate if I put in a few tanks of B20. Whenever I have to use B20, I put in about 20 oz of the fuel addictive and it runs like a charm.
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Which fuel "addictive" do you use since Cummins only recommends their own additive.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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09-06-2016, 07:00 PM
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#6
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Senior Member
Join Date: Dec 2012
Location: Full Timing
Posts: 751
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As mentioned above - a bio-diesel component will add lubricity, but it also creates questions about fuel ph and hydrocarbon utilizing bacteria.
I always add Biobor JF to my fuel. I think the JF is a reference to jet fuel which is basically kerosene and chemically close to diesel #2. This additive is economical - 1/2 ounce treats 40 gallons and it kills hydrocarbon utilizing bacteria - which many people call diesel algae - while adding lubricity.
Gives me peace of mind.
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Mike
2003 Alpine Coach 40MDTS - 400HP Cummins ISL
Can Am Spyder Roadster
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09-06-2016, 07:28 PM
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#7
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Member
Join Date: Feb 2016
Posts: 41
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I've used Stanadyne Blue label in all my diesels. Yes it adds lubricity.
Since I just put new 60hp injectors in my Ram 2500 I definitely add it at every fill up.
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09-06-2016, 07:53 PM
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#8
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Senior Member
Join Date: Jun 2012
Location: AB
Posts: 7,587
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I have used Power Service Cetane Boost for a few years in my old ISC that was designed before low sulphur and bio fuels. I use this product in particular because it gets pretty good reviews (not the best mind you) and is available almost anywhere at a better price than most other products on the market.
When I first started using this product, my TripTek was showing my fuel mileage had increased by almost 1 MPG. So after a few thousand miles, I did not add any for three or four tanks to see what happens. Belive it or not, fuel mileage dropped. So I started adding one liter per fill and sure enough, fuel mileage came back to 8.5 - 9.0 from 7.5 - 8.5. So, I tried leaving it out again and yes, my mileage dropped again below 8.5.
From the results of that experiment I now add 1 liter per fill (usually 100+_ gal) at every fill and I consistently get 8.5+ MPG.
I'm a Beliver
Power Service
__________________
2019 Unity LTV CB, pushed by a 2013 Honda CRV, BlueOx Baseplate, Aventa Bar & Patriot Brake
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09-07-2016, 11:35 AM
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#9
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Senior Member
Newmar Owners Club Spartan Chassis
Join Date: Jun 2013
Location: Apple Valley CA
Posts: 1,069
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__________________
[SIGPIC][/SIGPIC]
Craig & Carolyn Roberts Apple Valley, CA
Toad: 2017 GMC Canyon 4X4 Crewcab
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09-16-2016, 09:29 PM
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#10
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,903
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Quote:
Originally Posted by DD788Snipe
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That lubricity study is an eye-opener.
Some products that are popular-and cheap, perform worse than the basic diesel fuel itself.
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2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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09-17-2016, 11:24 AM
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#11
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Senior Member
RV Trip Wizard Grand Design Owners Club
Join Date: Dec 2014
Location: Georiga
Posts: 359
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My personal choice for just plain lubrication and cleaning concerns is Automatic Transmission Fluid, 1 qt. Per 100 gal. and maybe every other fueling. ATF is high detergent and high lubrication in value and burns clean, gives a little kick in HP too.
When operating in extreme conditions ex. heat, high humidity or cold then I go for the additive required for that climate. The cost benefits in gaining 1/2 or 1 mile per gal. just isn't there for me unless you have your knees in the breeze all the time.
Just another option to be considered. If pouring additives in your land yacht gives you peace of mind put it in.
All that stated, I am still shoving a pre DEF and dossier valve emissions DP up and down the road and that is by design.
Don't get cought up in weeds about what works the best pay attention to the environment you'll be operating in and keep the fuel filters serviced.
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2017 F-250 Short Bed 6.7 2019 Reflection 150 273 MK, May your pleasures be many and your troubles be few!
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09-17-2016, 12:50 PM
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#12
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Senior Member
Join Date: Jul 2012
Location: Fulltime, USA
Posts: 16,706
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Nothing has worked better than nothing for me.
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09-17-2016, 10:29 PM
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#13
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Senior Member
Country Coach Owners Club
Join Date: Dec 2010
Posts: 7,795
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Quote:
Originally Posted by CampDaven
Nothing has worked better than nothing for me.
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Same here. I get 8.5 with nothing added
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Don
2002 Country Coach Intrigue
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09-18-2016, 06:51 AM
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#14
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Senior Member
Join Date: Nov 2013
Location: Elko, Nv
Posts: 2,451
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Cummins doesnt recommend additives. Cummins Filtration, a division of Cummins markets and sells additive. I have had dsl powered pickups, motorhomes and equipment since 1985 and have never used additives except anti-gel additive when it gets near zero. My 2016 mh and my 1999 Cat backhoe are both happy without additives.
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