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Stick with an engine oil brand? #4779026
06/06/18 10:51 AM
06/06/18 10:51 AM
Joined: Jun 2016
Posts: 17
Ecuador
ECUADOR4X4 Offline OP
ECUADOR4X4  Offline OP
Joined: Jun 2016
Posts: 17
Ecuador
Hi, i've heard that is not a good practice to change brand in oil changes, its better to stick with a brand in the long term? Since additives and detergents are differents in every brand, or its ok to change brand every once in a while as long as you put the right viscosity for your car?

Thanks

Re: Stick with an engine oil brand? [Re: ECUADOR4X4] #4779044
06/06/18 11:05 AM
06/06/18 11:05 AM
Joined: Jun 2012
Posts: 1,779
USA
oldhp Offline
oldhp  Offline
Joined: Jun 2012
Posts: 1,779
USA
I've never used just one oil forever. Changing oil for over 40 years I have never had any bad things happen. Engines have always been very clean either looking down oil fill or when i have pulled the valves covers.


2018 RAM 1500 3.6/8 speed.
2017 Jeep Sahara Unlimited 3.6
"U kan't fixe it......if'n it ain't broke."
Re: Stick with an engine oil brand? [Re: ECUADOR4X4] #4779050
06/06/18 11:08 AM
06/06/18 11:08 AM
Joined: Jun 2014
Posts: 2,820
Phoenix, Arizona - USA
SirTanon Offline
SirTanon  Offline
Joined: Jun 2014
Posts: 2,820
Phoenix, Arizona - USA
What you have heard is not correct. It's perfectly fine to change brands from oil change to oil change. In fact, technically, it's even fine to mix different brands and weights together in the same oil change, although if you mix oils with substantially different add packs, you may find that they 'compete' with each other to some degree.

I change my oil roughly every 7,500 miles, which for me works out to roughly every 3 to 3.5 months. I have a stash of all different brands and weights of oil, and I rarely use the same stuff from one change to the other. In fact, I even sometimes mix two different brands in a single oil change, depending on what I have.. although I do try to use oils with similar add packs when I do this. Many people on here do similar, and you'll occasionally see people posting their 'frankenbrew' UOA results showing good wear numbers.

Switch away, if you want.


2010 Ford Fusion SE - 2.5 liter/6F35 Trans - 268,000mi
2014 Nissan Altima SL - 2.5 liter/CVT - 61,000mi
Re: Stick with an engine oil brand? [Re: ECUADOR4X4] #4779070
06/06/18 11:23 AM
06/06/18 11:23 AM
Joined: Oct 2009
Posts: 3,652
Wet side WA
JohnnyJohnson Offline
JohnnyJohnson  Offline
Joined: Oct 2009
Posts: 3,652
Wet side WA
Forget that nonsense and buy what's on sale with a rebate.


2004 Corolla 128175
Out: VML 5w-30 TG4967 OCI 5007 Miles
In: EDGE EP 5W-30 Bosch 3311 122537 7-18-18
2006 Duramax 74615
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 73705 4-22-18
Re: Stick with an engine oil brand? [Re: ECUADOR4X4] #4779072
06/06/18 11:25 AM
06/06/18 11:25 AM
Joined: Nov 2008
Posts: 12,831
NH
supton Offline
supton  Offline
Joined: Nov 2008
Posts: 12,831
NH
I've thought about deliberately switching brands in my '99. It has some varnish. Might the different oils react in different ways and slowly strip off the varnish? Dunno.

But if it was a real problem, we'd have proof plenty that it was an issue. We'd have stickers under the hood "use only Havoline!" or somesuch. We'd hear stories about so and so who bought a car and then had a motor problem right after an oil change (or in short order). Instead I'd wager the odds are very good that every used car changed oil brands every time it changed hands--and most of them motor on just fine.


2011 Toyota Camry, base, 2.5L/6MT, 176k, hers
2010 Toyota Tundra DC, 4.6L/6AT, 144k, ours
1999 Toyota Camry LE, 2.2L/4AT, 198k, his
Re: Stick with an engine oil brand? [Re: ECUADOR4X4] #4779087
06/06/18 11:32 AM
06/06/18 11:32 AM
Joined: May 2006
Posts: 4,055
Central Wisconsin
dwendt44 Offline
dwendt44  Offline
Joined: May 2006
Posts: 4,055
Central Wisconsin
Oil brands change formula over time in any case
so it is fine to change brands or even from conventional
to blend to synthetic or back again.

Most brands use similar additives though amounts
vary.

My 2


There's no such thing as:
Too big of a battery,
Too large of a gas tank,
or too loud of a horn,
or too bright headlights.
Re: Stick with an engine oil brand? [Re: ECUADOR4X4] #4779093
06/06/18 11:42 AM
06/06/18 11:42 AM
Joined: Dec 2003
Posts: 9,970
Florida, Cape Coral
Eddie Offline
Eddie  Offline
Joined: Dec 2003
Posts: 9,970
Florida, Cape Coral
I believe in picking a quality brand oil and sticking with it throughout my time with the engine. There are many instances posted on this site where when using a different brand, that oil consumption increases for the first oil change. That suggests that the difference in oil properties is causing a mini break-in. That is good enough reason for me to stick with one oil unless it is causing some issues. Ed


CX5 Touring 2.5L :-)
Re: Stick with an engine oil brand? [Re: ECUADOR4X4] #4779104
06/06/18 11:52 AM
06/06/18 11:52 AM
Joined: Aug 2002
Posts: 14,611
Silicon Valley
PandaBear Offline
PandaBear  Offline
Joined: Aug 2002
Posts: 14,611
Silicon Valley
Brands change formula all the time. Different brand of the same time period are more similar to each other than same brand across a long period of time.


"You keep asking questions PandaBear and you'll end up a vegetarian like my wife" - Camu Mahubah
Re: Stick with an engine oil brand? [Re: Eddie] #4779106
06/06/18 11:55 AM
06/06/18 11:55 AM
Joined: Jun 2014
Posts: 2,820
Phoenix, Arizona - USA
SirTanon Offline
SirTanon  Offline
Joined: Jun 2014
Posts: 2,820
Phoenix, Arizona - USA
Originally Posted By: Eddie
I believe in picking a quality brand oil and sticking with it throughout my time with the engine. There are many instances posted on this site where when using a different brand, that oil consumption increases for the first oil change. That suggests that the difference in oil properties is causing a mini break-in. That is good enough reason for me to stick with one oil unless it is causing some issues. Ed


... Or the new oil is doing a little cleaning of the buildup that the old oil left behind or was unable to clean because of similar additive chemistry.

I am a firm believer that using the same oil in an engine all the time can lead to a buildup of varnish that the oil can't clean because its detergent pack doesn't have what is needed... but changing to an oil with a different detergent pack might be able to clean. I have no proof of this, however.


2010 Ford Fusion SE - 2.5 liter/6F35 Trans - 268,000mi
2014 Nissan Altima SL - 2.5 liter/CVT - 61,000mi
Re: Stick with an engine oil brand? [Re: SirTanon] #4779108
06/06/18 12:00 PM
06/06/18 12:00 PM
Joined: Mar 2015
Posts: 5,586
Virginia
bbhero Offline
bbhero  Offline
Joined: Mar 2015
Posts: 5,586
Virginia
^^^^^^^^^

I like the way you think about this. Though I don't have any proof either LOL

I do this with gasoline though. Now running Exxon. Had been running Shell for a good while.


Nissan Altima 3.5 Coupe
Mobil Super 5w30 Wix 57356
"Treat your family like your friends and treat your friends like your family."
Re: Stick with an engine oil brand? [Re: ECUADOR4X4] #4779130
06/06/18 12:24 PM
06/06/18 12:24 PM
Joined: Jun 2016
Posts: 337
Texas, USA
WylieCoyote Online content
WylieCoyote  Online Content
Joined: Jun 2016
Posts: 337
Texas, USA
I rotate through the usual Walmart "synthetics". At any given time, you'll see jugs of Mobil 1, PP and Valvoline in my garage. I've never had an issue.

I also rotate through Shell, Chevron, Exxon and QuickTrip when I fill the tank, I guess in the hopes that there is enough variance between their additives to keep everything as clean as possible. I could be wasting my time, though.

Re: Stick with an engine oil brand? [Re: ECUADOR4X4] #4779138
06/06/18 12:32 PM
06/06/18 12:32 PM
Joined: May 2003
Posts: 7,407
Oklahoma
Schmoe Offline
Schmoe  Offline
Joined: May 2003
Posts: 7,407
Oklahoma
I stick with one brand and one weight for everything, mowers/boats included, that way I'm not confused as to what to buy....M1 EP 5W-30.


01 Supercrew Lariat 4X4
06 Accord EX-L V6
14 CRV EX-L (RIP) 2018 CRV EX-L
Re: Stick with an engine oil brand? [Re: ECUADOR4X4] #4779215
06/06/18 01:36 PM
06/06/18 01:36 PM
Joined: Jul 2005
Posts: 10,178
Maricopa, Arizona
dave1251 Online happy
dave1251  Online Happy
Joined: Jul 2005
Posts: 10,178
Maricopa, Arizona
Nothing would be gained.


make the inside of your engine oil cap white.
don't use.
Re: Stick with an engine oil brand? [Re: Schmoe] #4779219
06/06/18 01:38 PM
06/06/18 01:38 PM
Joined: Mar 2016
Posts: 827
Cincinnati, OH USA
CincyDavid Offline
CincyDavid  Offline
Joined: Mar 2016
Posts: 827
Cincinnati, OH USA
Originally Posted By: Schmoe
I stick with one brand and one weight for everything, mowers/boats included, that way I'm not confused as to what to buy....M1 EP 5W-30.


Wish I could do that...4 vehicles, 3 types of oil. 5w20 of different flavors for the Kia, bulk 0w20 synth for the Hondas and 5w40 Castrol Edge Professional from the dealer for the VW.


06 Kia Sportage EX greenish gold(ugliest color ever)
11 Jeep Grand Cherokee Limited HEMI Mineral Gray
14 Honda Accord LX metallic black
17 VW Jetta SE black
Re: Stick with an engine oil brand? [Re: ECUADOR4X4] #4779228
06/06/18 01:44 PM
06/06/18 01:44 PM
Joined: Jan 2009
Posts: 14,043
Illinois
tig1 Offline
tig1  Offline
Joined: Jan 2009
Posts: 14,043
Illinois
It's been M1 oils for 40 years.


2007 Ford Fusion 236,000 miles
M1 0-20 EP
2017 Ford Fusion 62K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and Valvoline LV
M1 10-30 in all OPE
MC filters

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