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#4643851 - 01/23/18 09:22 AM Dino or synthetic in 04 5.9 cummins?
monster1 Offline


Registered: 01/31/10
Posts: 114
Loc: ca
Currently I'm running Rottela 15w-40 dino with a Fram ultra at a yearly change interval suggested by Jay at Fram. I only put around 8500 miles year in my truck as it's a weekend driver. Would I be well served to start running semi or full synthetic? All I'm looking to do is keep my engine clean and well protected.

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#4643854 - 01/23/18 09:24 AM Re: Dino or synthetic in 04 5.9 cummins? [Re: monster1]
CT8 Offline


Registered: 10/09/14
Posts: 11008
Loc: Idaho
Is the emgine dirty?
_________________________
"Don't let your preconceived notions get in the way of facts."
Geoff Metcalf

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#4643861 - 01/23/18 09:28 AM Re: Dino or synthetic in 04 5.9 cummins? [Re: monster1]
Srt20 Offline


Registered: 07/14/14
Posts: 495
Loc: Wisconsin
I use 5w-40 synthetic in my 05 ONLY because Im in WI and it gets cold in winter. Otherwise Id use dino. 10K OCI using syntheic or dino for me. 173K miles on it.

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#4643873 - 01/23/18 09:36 AM Re: Dino or synthetic in 04 5.9 cummins? [Re: CT8]
monster1 Offline


Registered: 01/31/10
Posts: 114
Loc: ca
The oil turns into ink as soon as I drive a few miles after an oil change. I've been told this is normal for the cummins motors. No sludge.

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#4643899 - 01/23/18 09:51 AM Re: Dino or synthetic in 04 5.9 cummins? [Re: monster1]
CT8 Offline


Registered: 10/09/14
Posts: 11008
Loc: Idaho
Originally Posted By: monster1
The oil turns into ink as soon as I drive a few miles after an oil change. I've been told this is normal for the cummins motors. No sludge.
100% normal.
_________________________
"Don't let your preconceived notions get in the way of facts."
Geoff Metcalf

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#4643909 - 01/23/18 09:58 AM Re: Dino or synthetic in 04 5.9 cummins? [Re: monster1]
Snagglefoot Offline


Registered: 12/31/17
Posts: 1762
Loc: Alberta
I wonder what's the experience of the other 5.9 owners. Anyone getting 200,000 miles using Dino?
(I'll be there are). How about 300,000?

SF

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#4643934 - 01/23/18 10:15 AM Re: Dino or synthetic in 04 5.9 cummins? [Re: monster1]
Donald Offline


Registered: 03/21/04
Posts: 20468
Loc: Upstate NY
I ran Rotella T6 in my 1999 Cummins to 18K. UOA said oil was fine.
_________________________
2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)


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#4644675 - 01/24/18 06:59 AM Re: Dino or synthetic in 04 5.9 cummins? [Re: monster1]
dnewton3 Offline



Registered: 05/14/07
Posts: 7392
Loc: Indianapolis, IN
Originally Posted By: monster1
Currently I'm running Rottela 15w-40 dino with a Fram ultra at a yearly change interval suggested by Jay at Fram. I only put around 8500 miles year in my truck as it's a weekend driver. Would I be well served to start running semi or full synthetic? All I'm looking to do is keep my engine clean and well protected.


Not a lot of info to go on, but we'll presume at this point everything is "normal" in your use. Towing and weekend driving are "normal". Engines that are highly "tuned" with all manner of performance mods are not included hereafter. But "normal", sane use is perfectly within the realm of what I intend to cover ... If you're pushing 700rwp and 1100rwt, beating the snot out of the engine in sled pulling or drag races every weekend, that's not "normal" use.

Dino is perfectly fine for "normal" use at 8.5k miles. I've seen dino easily go further than that, and do so very safely. I can tell you after looking at thousands upon thousands of UOAs, you'll be fine.

If you want to KNOW, then take a few UOAs. But I can already tell you what the answer is ...



Edited by dnewton3 (01/24/18 07:04 AM)
_________________________
The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money

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#4644717 - 01/24/18 07:53 AM Re: Dino or synthetic in 04 5.9 cummins? [Re: monster1]
A_Harman Offline


Registered: 10/01/10
Posts: 6921
Loc: Michigan
Originally Posted By: monster1
Currently I'm running Rottela 15w-40 dino with a Fram ultra at a yearly change interval suggested by Jay at Fram. I only put around 8500 miles year in my truck as it's a weekend driver. Would I be well served to start running semi or full synthetic? All I'm looking to do is keep my engine clean and well protected.


You're doing fine. I used to run Valvoline Premium Blue Classic 15w40 on 18k mile annual intervals. My engine has 425k miles on it now, so it didn't seem to do any harm.
_________________________
1985 Z51 Corvette track car
2002 Camaro Z28 LS1/6-speed
2001 Dodge Ram 2500 diesel
1972 GMC 1500 shortbed project truck

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#4648587 - 01/28/18 02:39 AM Re: Dino or synthetic in 04 5.9 cummins? [Re: monster1]
DoubleWasp Offline


Registered: 05/21/12
Posts: 5236
Loc: Fort Lauderdale, FL
As much as I like to doodle around with top shelf oils, filters, etc: one of my 6.7 Rams lived the first 270k miles of its life on Dino Delvac changed every 7500 miles and Pennzoil filters.
_________________________
07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio

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#4648901 - 01/28/18 10:45 AM Re: Dino or synthetic in 04 5.9 cummins? [Re: monster1]
jongies3 Offline


Registered: 03/11/16
Posts: 803
Loc: MT
Regular Rotella is an excellent cleaner as it is. Only reason I use syn in my 7.3 Powerstroke is because how awful cold it gets here, but in California, you should be fine with what you're doing.
_________________________
2004 Toyota Tacoma 3.4 V6: Mobil 1 AFE 0W-30, FRAM TG-3600 filter
1996 Ford Contour 2.5 V6 QSGB 5W-30, MC FL-500S filter

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