Recent Topics
The wonderful folks at IRS
by BJD78
04/19/18 02:45 PM
Grease Gun Holder
by Patrick0525
04/19/18 02:42 PM
Must colleges disclose donations, by law?
by Ed_Flecko
04/19/18 02:32 PM
How Air Filters Are Made At K&N Engineering
by wemay
04/19/18 02:28 PM
Brakes sticking when wet
by mb32
04/19/18 02:24 PM
Toilets: One piece or two
by NibbanaBanana
04/19/18 02:16 PM
Home Network File Server
by fraso
04/19/18 02:15 PM
Bent rims: repairing vs replacing
by mclasser
04/19/18 02:04 PM
Do you wear much jewelry?
by ZZman
04/19/18 02:04 PM
Shade tree mechanic vs corporate employee?
by motor_oil_madman
04/19/18 01:09 PM
I think I'm gonna buy another Crown Vic...
by dogememe
04/19/18 01:03 PM
2005 MB E500 Mobil 1 0w-40 FS - oxidation
by claluja
04/19/18 12:42 PM
Trail Cams
by AirgunSavant
04/19/18 12:04 PM
Using BITOG Knowledge on Your Mechanic
by camrydriver111
04/19/18 11:06 AM
Nissan Frontier
by old1
04/19/18 10:25 AM
Hello
by AirgunSavant
04/19/18 10:02 AM
06 Colorado, Dreaded P0305 Code...GM says SOL
by Brigadier
04/19/18 09:48 AM
Please school me on Camry afs
by andyd
04/19/18 09:47 AM
Quaker State Blend 5W-30 5qt jug $4.50 - Walmart
by 28oz
04/19/18 09:32 AM
So... are sludged engines a thing of the past?
by SubieRubyRoo
04/19/18 08:22 AM
Newest Members
diphon, Auburn_Alum, joekingcorvette, ARP, Sundayrd
64785 Registered Users
Who's Online
97 registered (alex_at, 4WD, ArrestMeRedZ, alienyzf, 28oz, AandPDan, 9 invisible), 1620 Guests and 96 Spiders online.
Key: Admin, Global Mod, Mod
Forum Stats
64785 Members
68 Forums
281955 Topics
4707247 Posts

Max Online: 3590 @ 01/24/17 08:07 PM
Donate to BITOG
Page 1 of 2 1 2 >
Topic Options
#4700408 - 03/20/18 07:27 AM High grade oil 6k interval vs mid grade and 3k
Viking1313 Offline


Registered: 03/20/18
Posts: 11
Loc: Missouri
I have 08 wrangler, I check my oil every time I fuel up and I've been seeing dark oil about halfway through oil changes, I've been using mobile 1 full synthetic and changing @ 6k miles intervals, ive been considering going cheap and using supertech full synthetic since it's cheaper and changing my oil at the 3k interval, which do you guys think would be healthier for my motor? These jeeps are known for oil consumption and mine is no stranger to it.

Top
#4700410 - 03/20/18 07:29 AM Re: High grade oil 6k interval vs mid grade and 3k [Re: Viking1313]
barkingspider Offline


Registered: 12/22/13
Posts: 1957
Loc: socal
You can change ST syn at 5k miles and save even more
_________________________
06 Cadillac Escalade Ext
17 Cadillac ATS (wife)
05 Toyota Camry (daughter)
11 GMC Canyon off-road (daily)

Top
#4700411 - 03/20/18 07:33 AM Re: High grade oil 6k interval vs mid grade and 3k [Re: Viking1313]
rooflessVW Offline


Registered: 12/24/11
Posts: 3641
Loc: North Carolina
I'd sooner go to a conventional and change at 5k miles.
_________________________
"Zed's dead baby, Zed's dead."

Top
#4700413 - 03/20/18 07:35 AM Re: High grade oil 6k interval vs mid grade and 3k [Re: Viking1313]
Rolla07 Offline


Registered: 11/05/11
Posts: 4658
Loc: MTL, CANADA
You cant judge an oil by its colour. Black oil doesnt necessarily mean dirty oil. I would follow the recommendation in your owners manual for when to change it and use whichever synthetic oil you want for that interval. If concerned, maybe send in your oil for a n analysis.
_________________________
2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967


Top
#4700420 - 03/20/18 07:51 AM Re: High grade oil 6k interval vs mid grade and 3k [Re: Viking1313]
tig1 Offline


Registered: 01/03/09
Posts: 13514
Loc: Illinois
With M1 oils I have been doing 10K OCIs for the last 4 decades.
_________________________
2007 Ford Fusion 224,000 miles
M1 0-20 EP
2017 Ford Fusion 44K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and MC LV
M1 10-30 in all OPE
MC filters


Top
#4700428 - 03/20/18 07:59 AM Re: High grade oil 6k interval vs mid grade and 3k [Re: Rolla07]
Viking1313 Offline


Registered: 03/20/18
Posts: 11
Loc: Missouri
I actually ordered a oil test kit, I'm going to send it in for analysis asap.

I actually take my jeep down alot of dusty trails and roads, that can't be helping.

Top
#4700432 - 03/20/18 08:01 AM Re: High grade oil 6k interval vs mid grade and 3k [Re: Viking1313]
andrewp1998 Offline


Registered: 10/18/08
Posts: 817
Loc: MA USA
5k syn and check manual for severe service!
_________________________
2001 Honda civic HX vtecE- 5 spd,227k+

Top
#4700433 - 03/20/18 08:03 AM Re: High grade oil 6k interval vs mid grade and 3k [Re: Viking1313]
Alex_V Offline


Registered: 04/10/16
Posts: 1113
Loc: Campbellsville, KY
Dark oil by 3K isn't a big deal. If you do anything more than straight city/stop and go driving I'd keep doing what you're doing. The 3.8 may burn oil by no fault of the owner, but they'll hold up.
_________________________
I like Chevy and Valvoline.

'13 Cruze, 1.4T, 110K
'85 GMC C3500, 454, 130K
'82 Mercedes 300CD, OM617 turbo, 165K
'67 Suburban, 350, 331K

Top
#4700479 - 03/20/18 09:11 AM Re: High grade oil 6k interval vs mid grade and 3k [Re: Viking1313]
WobblyElvis Online   content


Registered: 09/23/14
Posts: 1268
Loc: Toronto Canada
Unless you are doing a lot of stop and go driving.
or you drive less than 10,000 miles/year

My opinion is you are changing oil to often.
I would go 9,000 miles on any synthetic.

Your engine uses oil. Check the level often and keep it topped up.
Works for me.

Top
#4700495 - 03/20/18 09:30 AM Re: High grade oil 6k interval vs mid grade and 3k [Re: Viking1313]
FordCapriDriver Offline


Registered: 10/22/15
Posts: 2319
Loc: Balearic Islands , Spain
Don't change it based on the colour and follow your owner's manual, and the intervals it suggests.
_________________________
1975 Ford Capri II Ghia 3000 V6
1988 Ford Escort 1.6 Xr3i Convertible
Finnish expat living in Spain
My clothes smell like 15W-40 HDEO and 20W-50.

Top
#4700502 - 03/20/18 09:38 AM Re: High grade oil 6k interval vs mid grade and 3k [Re: Viking1313]
LeakySeals Offline


Registered: 02/18/11
Posts: 6506
Loc: Hudson, NH
Familiar with that engine. 6-7k seems to be the sweet spot with syn, 4-5k with conventional. The consumption has supposedly been fixed in recent years. A thicker Mobil 1 might help. Will still flow good. If cost is an issue, sure try the supertech syn. Regardless, its a modern engine with modern oil. The 3k oil change no longer applies. As far as the color, Mobil 1 has superior cleaning and suspension properties to most other oils. Why it turns brown sooner than other oils. All the crud created by the engine over the course of an oil change remains suspended, pours right out with the oil change. Rather than falling onto or sticking to the engine surface as varnish or sludge. Some people confuse that suspension color with "spent oil" Nope, its fine. I would be more concerned with oil that looks clear for 5k. Where's all that suspended carbon and crud if its not in the oil? It fell out of suspension and settled all over the engine in different places, why the oil still looks clean.
_________________________
06 Escalade 6.0L AWD 155k. M1 EP 5w30 Fram TG
03 Maxima 3.5L Unknown miles ST 10w30

Top
#4700577 - 03/20/18 11:15 AM Re: High grade oil 6k interval vs mid grade and 3k [Re: barkingspider]
JLTD Offline


Registered: 12/15/17
Posts: 361
Loc: US
Originally Posted By: barkingspider
You can change ST syn at 5k miles and save even more


Agreed! There have been a couple of UOAs done on vehicles at that distance with SY Syn and they've been good...and probably could have gone to 6k easy.
_________________________
2015 4Runner SR5 1GR-FE

Top
#4700585 - 03/20/18 11:22 AM Re: High grade oil 6k interval vs mid grade and 3k [Re: JLTD]
dnewton3 Offline



Registered: 05/14/07
Posts: 7356
Loc: Indianapolis, IN
Originally Posted By: JLTD
Originally Posted By: barkingspider
You can change ST syn at 5k miles and save even more


Agreed! There have been a couple of UOAs done on vehicles at that distance with SY Syn and they've been good...and probably could have gone to 6k easy.


I've gone 3x that 5k distance on ST dino. Also done 10k on RK dino.

I realize the OP may not be inclined to do that, but 3k miles on a syn is a HORRENDOUS waste; even at 5k its a waste.

Wake up and smell the new world of lubes available today. wink



Edited by dnewton3 (03/20/18 11:23 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

Top
#4700626 - 03/20/18 12:09 PM Re: High grade oil 6k interval vs mid grade and 3k [Re: Viking1313]
gathermewool Offline


Registered: 01/09/09
Posts: 5869
Loc: New England
How much oil consumption?

What's your driving pattern?

Without this info, no advice can be given. Without a UOA, even the advice we give is best guess. With your driving pattern, rate of consumption AND a UOA we can give you an educated recommendation, but even it would not be 100% spot on.

What I'm saying, in other words, is that on a scale of 1 to 10 for how good our advice will be, you're at a 2. The best we can do is about an 8 (my own made up scale, so it is obviously irrefutable!) liar
_________________________
14 Forester XT Touring w/ Eyesight (her)
Castrol Edge 0W-40 + Fram Ultra (FU) filter
15 Legacy Premium w/ Eyesight (me)
Edge 0W-20 + Subie blue filter

Top
#4700717 - 03/20/18 01:39 PM Re: High grade oil 6k interval vs mid grade and 3k [Re: gathermewool]
Viking1313 Offline


Registered: 03/20/18
Posts: 11
Loc: Missouri
Originally Posted By: gathermewool
How much oil consumption?

What's your driving pattern?

Without this info, no advice can be given. Without a UOA, even the advice we give is best guess. With your driving pattern, rate of consumption AND a UOA we can give you an educated recommendation, but even it would not be 100% spot on.

What I'm saying, in other words, is that on a scale of 1 to 10 for how good our advice will be, you're at a 2. The best we can do is about an 8 (my own made up scale, so it is obviously irrefutable!) liar



I'm probably using +/- 1 to 2 quarts between changes. I usually drive this jeep on and around base, and hunting (mostly off-road or on [censored] dirt roads) I sometimes do drive it long distance, but not so much lately.

It spends it's life undeniably dirty.

Top
Page 1 of 2 1 2 >