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#4636658 - 01/16/18 12:29 PM Cleaning oils, who's best?
irv Offline


Registered: 10/08/06
Posts: 1059
Loc: Oshawa, Ont. Canada
I was just reading about Valvoline being an excellent cleaning oil or an oil that doesn't leave a lot of deposits, and rather than hijacking that post, it got me wondering, as I have read/heard that Pennzoil oils are known to be the best in that regard, if there is any data/proof of which one, including other oils, that are also excellent cleaners that are backed by actual real proof?

I have never used Valvoline and personally don't see a reason too as I prefer Pennzoil (personal choice) but I would like to know how these, and other oils, stack up against one another as far as cleaning goes?

Is the playing field to diverse to conclusively say one is better than the other or is there actual data that conclusively proves, without a doubt, that "A" cleans better than "B" and so on?


Edited by irv (01/16/18 12:30 PM)
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#4636669 - 01/16/18 12:39 PM Re: Cleaning oils, who's best? [Re: irv]
Insertcoolname Offline


Registered: 08/28/17
Posts: 157
Loc: South Texas
Well Castrol came out with GTX Ultraclean now
https://www.castrol.com/en_us/united-states/motor-oil/conventional-motor-oil/gtx-ultraclean.html
it "cleans away old sludge" and has "50% superior sludge protection compared to tough industry standards"
If its a modern API SN oil it should have a decent amount of detergents in it.

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#4636674 - 01/16/18 12:45 PM Re: Cleaning oils, who's best? [Re: irv]
sw99 Offline


Registered: 03/22/06
Posts: 2120
Loc: Colorado
Havoline Deposit Shield does an excellent job.
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#4636677 - 01/16/18 12:50 PM Re: Cleaning oils, who's best? [Re: irv]
demarpaint Offline


Registered: 07/03/05
Posts: 29757
Loc: NY
Lots of opinions and advertising hype, actual data, good luck finding it. If you do please post a link to it, I'd love to see the firestorm that produces. wink
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#4636689 - 01/16/18 12:57 PM Re: Cleaning oils, who's best? [Re: irv]
SubieRubyRoo Offline


Registered: 05/14/12
Posts: 1125
Loc: Winchester, Indiana
Irv, I concur with demarpaint's comment... there are tons of opinions and very little scientific data. It's really just something that is incredibly difficult to produce valid results on across many different oils... how do you get identical engines identically sludgy?

Even the "cleaners" like Auto-RX, MMO, Seafoam, etc etc etc... only show results on one engine, with no way to compare. Run a good oil, with shorter OCIs, will definitely clean up excess wear metals floating about but will not eliminate underlying mechanical problems. Until proven otherwise, I maintain the best way to clean a sludgy engine is to never let it get that way in the first place! smile

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#4636691 - 01/16/18 12:57 PM Re: Cleaning oils, who's best? [Re: irv]
bradtech Offline


Registered: 03/10/17
Posts: 80
Loc: OK, USA
two ways to skin a cat with add packs. Would say look for oils with a lot of boron" in them but it seems Valvoline cleans well without having any. Have heard stories of mechanics tearing into engines & not seeing any sludge with Valvoline white bottle.


Edited by bradtech (01/16/18 12:58 PM)
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#4636696 - 01/16/18 01:00 PM Re: Cleaning oils, who's best? [Re: irv]
CT8 Offline


Registered: 10/09/14
Posts: 10953
Loc: Idaho
How does one oil clean better than another with the same ratings?
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#4636711 - 01/16/18 01:09 PM Re: Cleaning oils, who's best? [Re: irv]
UncleDave Offline


Registered: 06/02/14
Posts: 1636
Loc: Ca.
Ive had good luck with the diesel oils like delvac.


UD
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#4636723 - 01/16/18 01:16 PM Re: Cleaning oils, who's best? [Re: irv]
FermeLaPorte Offline


Registered: 07/25/17
Posts: 469
Loc: Texas (south)
any HdEO
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#4636736 - 01/16/18 01:27 PM Re: Cleaning oils, who's best? [Re: SubieRubyRoo]
irv Offline


Registered: 10/08/06
Posts: 1059
Loc: Oshawa, Ont. Canada
Originally Posted By: SubieRubyRoo
Irv, I concur with demarpaint's comment... there are tons of opinions and very little scientific data. It's really just something that is incredibly difficult to produce valid results on across many different oils... how do you get identical engines identically sludgy?

Even the "cleaners" like Auto-RX, MMO, Seafoam, etc etc etc... only show results on one engine, with no way to compare. Run a good oil, with shorter OCIs, will definitely clean up excess wear metals floating about but will not eliminate underlying mechanical problems. Until proven otherwise, I maintain the best way to clean a sludgy engine is to never let it get that way in the first place! smile


I agree with him, and you, as well. I was just hoping something existed somewhere that actually proved what they try to market "Our oils are the best at cleaning"

I also know all oils, in general, have come a long ways the last few years so one could likely conclude "most" are great at keeping things clean nowadays. I was just hoping their was info somewhere that would back up what they are actually claiming but I knew when I wrote this post, that wasn't very likely.
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#4636760 - 01/16/18 01:52 PM Re: Cleaning oils, who's best? [Re: irv]
d00df00d Offline


Registered: 10/20/05
Posts: 11207
Loc: PA
Valvoline Premium Blue Restore. It has to say "Restore" in the name or it's not the right product.

It's designed specifically to clean heavy carbon from the ring packs in Cummins ISX engines.

Hideously expensive, largely because it has more ester content than pretty much any oil you can buy. Has to be purchased through a Cummins distributor; it's normally sold as a service event rather than an oil per se, but apparently Cummins distributors will sell it.

Hard to imagine there's anything out there that'll be as effective.
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#4636766 - 01/16/18 01:57 PM Re: Cleaning oils, who's best? [Re: d00df00d]
Kira Offline


Registered: 08/19/10
Posts: 5229
Loc: Champlain/Hudson Valley
Ha-Ha-Ha PBR used to mean Pabst Blue Ribbon....now it means Premium Blue Restore

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#4636782 - 01/16/18 02:10 PM Re: Cleaning oils, who's best? [Re: irv]
demarpaint Offline


Registered: 07/03/05
Posts: 29757
Loc: NY
Originally Posted By: irv
Originally Posted By: SubieRubyRoo
Irv, I concur with demarpaint's comment... there are tons of opinions and very little scientific data. It's really just something that is incredibly difficult to produce valid results on across many different oils... how do you get identical engines identically sludgy?

Even the "cleaners" like Auto-RX, MMO, Seafoam, etc etc etc... only show results on one engine, with no way to compare. Run a good oil, with shorter OCIs, will definitely clean up excess wear metals floating about but will not eliminate underlying mechanical problems. Until proven otherwise, I maintain the best way to clean a sludgy engine is to never let it get that way in the first place! smile


I agree with him, and you, as well. I was just hoping something existed somewhere that actually proved what they try to market "Our oils are the best at cleaning"

I also know all oils, in general, have come a long ways the last few years so one could likely conclude "most" are great at keeping things clean nowadays. I was just hoping their was info somewhere that would back up what they are actually claiming but I knew when I wrote this post, that wasn't very likely.


I doubt you'll ever know for sure. What you'll most likely see is posters favorites and some success stories about the product/products they've used. Take from it what you see fit. I'm currently liking PU, prior to that I liked [and still like Mobil 1]. Bottom line is most of the brand name players will do fine keeping an engine clean or do some cleaning, and opinions and experiences are going to vary.

Here's an opinion of mine: If the engine is really sludged and varnished it is going to take more than a good cleaning oil to clean it up within what I consider a reasonable amount of time. That opinion is based on my observations and experiences of over 4+ decades of DIY work, hands on experience, and sharing the experiences of people who know a lot more than I do. hide FTR some oils do clean better than others...........
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#4636802 - 01/16/18 02:21 PM Re: Cleaning oils, who's best? [Re: irv]
burla Offline


Registered: 11/07/16
Posts: 255
Loc: sonoma
Best cleaning oil on the planet, a new PCV.

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#4636841 - 01/16/18 02:55 PM Re: Cleaning oils, who's best? [Re: irv]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Some people claim Pennz Ultra Platinum is the best....

I would venture a guess that redline with a fair bit of ester oil in the blend would clean better than anything.


Just a guess.....
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