Hannibal

Tampa Bay Area

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You can read about oil and OCIs until your eyeballs hurt over at this site. To me it's just oil and I change it every 5k. I think these people worship oil twice a week.![biggrin [emoticon]](http://www.coastresorts.com/sharedcontent/cfb/images/biggrin.gif)
http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=cfrm
2020 F250 STX CC SB 7.3L 10spd 3.55 4x4
2010 F250 XLT CC SB 5.4L 5spdTS 3.73
ex '95 Cummins,'98 12v Cummins,'01.5 Cummins,'03 Cummins; '05 Hemi
2017 Jayco 28RLS TT 32.5'
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Madhatter1

Madeira Beach FL

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smcrea wrote: Hannibal wrote: I say OEM style as meaning OEM or equivelant approved by the manufacturer. I use Motocraft or Purolator on my Fords. Mopar, Purolator or Fleetguard on my Dodges. No howling intake or droning exhaust for me. I change my oil every 5k miles synthetic or not. Easier to remember, within the manufacturer's recommendation and I sleep well with that schedule. I would trust the oil life monitor but I like a schedule to plan around.
It's funny you should say "change oil every 5K" I come from the UK and the 'standard' oil change number used in the UK is change every 5K.
Only when I came to teh US did I ever see change oil every 3K
Is this something that was made up by the oil and filter manufactures or is genuine?
5K seems reasonable to me!.. How about everyone else?
Back in 98 at a Cummins dealer I saw that the reccomended oil change on the 275HP ISB pushin a motorhome was 15K miles. Ever since then 8-12K for me.
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Ram4Sam

Redlands, Calif

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Joined: 09/28/2001

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smcrea wrote: Hannibal wrote: I say OEM style as meaning OEM or equivelant approved by the manufacturer. I use Motocraft or Purolator on my Fords. Mopar, Purolator or Fleetguard on my Dodges. No howling intake or droning exhaust for me. I change my oil every 5k miles synthetic or not. Easier to remember, within the manufacturer's recommendation and I sleep well with that schedule. I would trust the oil life monitor but I like a schedule to plan around.
It's funny you should say "change oil every 5K" I come from the UK and the 'standard' oil change number used in the UK is change every 5K.
Only when I came to teh US did I ever see change oil every 3K
Is this something that was made up by the oil and filter manufactures or is genuine?
5K seems reasonable to me!.. How about everyone else?
The three thousand mile oil change was thought up by the quick lube oil change places looking to drum up more business....
You can stop all the guessing by having an oil analysis done the next time you change the oil(I use Blackstone Labs), they will give a mileage figure based on science.
Sam
2016 Dodge cummins 3500 SRW LB CC 4X4 Aisin, Nav, white w/brown
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Gone....served me well...1991 Dodge Cummins...2001.5 Dodge Cummins
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Driving a Dodge Cummins since 1991...
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Crazyfoe

USA

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smcrea wrote: I've always been one for keeping my vehicle as "Bone Stock" ![smile [emoticon]](http://www.coastresorts.com/sharedcontent/cfb/images/smile.gif) I'm learning the jargon :-)
I 100% agree.
BTW When towing I use synthetic oils with no additives.
So are we saying that we should only use Manufacturer Oil filters? Is this really practical?
How do I know a good oil filter from a bad one? same deal with air filter and other consumables. It's not always practical or economic to use GM, Ford, Dodge whatever parts?
One other related question? How good and trustworthy is the "Oil Life Indicator".
On my current GM Yukon, when I reach 3K miles I change the oil using synthetic but the change oil indicator maybe only indicating 50%. Am I being over careful and wasting my precious money, or should I just trust the oil life indicator more?
Use Napa Gold (Wix) filters or AC Delco and you'll be just fine.
I use the oil life indicator is been designed to accurately determine when a change is needed. But the important thing is many of our tow rigs may not even see 3-5k per year. It's important to change it once a year even if the mileage doesn't indicate it. YMMV
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Jarlaxle

New England

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Joined: 11/18/2006

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Madhatter1 wrote: smcrea wrote: Hannibal wrote: I say OEM style as meaning OEM or equivelant approved by the manufacturer. I use Motocraft or Purolator on my Fords. Mopar, Purolator or Fleetguard on my Dodges. No howling intake or droning exhaust for me. I change my oil every 5k miles synthetic or not. Easier to remember, within the manufacturer's recommendation and I sleep well with that schedule. I would trust the oil life monitor but I like a schedule to plan around.
It's funny you should say "change oil every 5K" I come from the UK and the 'standard' oil change number used in the UK is change every 5K.
Only when I came to teh US did I ever see change oil every 3K
Is this something that was made up by the oil and filter manufactures or is genuine?
5K seems reasonable to me!.. How about everyone else?
Back in 98 at a Cummins dealer I saw that the reccomended oil change on the 275HP ISB pushin a motorhome was 15K miles. Ever since then 8-12K for me.
I recall the commercial and motorhome ISB's hold MUCH more oil than the ones in the Rams! (Offhand, my friend's Blue Bird holds 16 quarts.)
John and Elizabeth (Liz), with Briza the size XL tabby
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Current rig:
1992 International Genesis school bus conversion
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Hannibal

Tampa Bay Area

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What's the OCI with the Blue Bird John? I'm surprised the bus and MH doesn't have a C series in it. The B is more suitable for a car.
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Jarlaxle

New England

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In daily service, I recall 250 hours. Now, in limited use, annually.
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smcrea

Maryland

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Joined: 07/08/2010

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Thanks for the input on oil changes!
It seems that the oil monitor and 80% or 5K whichever comes first maybe a good rule of thumb!
To be honest, my current TV is a 1/2 Suburban 4WD and when towing and get an oil change I always get the rear transfer case checked at oil change. Several times it's been observed that the oil in the transfer case is either slightly low or a little dark. So this seems to be a good reason to go for the 5K
I'm hoping on the new TV a 1 ton 3500 4WD that I wont experience this heavy wear on the rear transfer case lubricant!.. any feedback?
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Jarlaxle

New England

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Hannibal wrote: What's the OCI with the Blue Bird John? I'm surprised the bus and MH doesn't have a C series in it. The B is more suitable for a car.
The Cummins ISB is common in school buses and medium trucks (most big Ryder trucks 2008 & newer have the new 6.7 ISB)...the big 8.3 ISC is drastic overkill.
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Madhatter1

Madeira Beach FL

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Hannibal wrote: What's the OCI with the Blue Bird John? I'm surprised the bus and MH doesn't have a C series in it. The B is more suitable for a car.
A car? Are you serious?? a car??? You drink too much cool-aid.
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