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Re: What oil would you consider or say is a cleaning oil [Re: 53' Stude] #5119173 05/29/19 10:27 AM
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Aside from Restore which is an excellent oil from the chats I have had with Terry Dyson who worked on the formulation with Cummins, I'd have to say Amsoil Signature Series because it uses an Ester Base oil carrier for its fantastic detergent package. I was going to try this in a neglected Toyota of a friend but he didn't like the price.

I've seen first hand cleaning results under valve covers from vehicles that had conventional first and then Signature series second. If you do go that route I'd change the filter and oil early for the first run if using in an engine other than something that saw synthetic first at a reasonable change interval. It does a really good job cleaning things up.

Or even their Flush product that you idle in the engine for 15 minutes. It's just super concentrated detergents without solvents. I've seen this load up filters pretty good on neglected engines in the 15 minutes.

Last edited by StevieC; 05/29/19 10:27 AM.

'18 Caravan - 48k KM - AMSOIL SS 0w20, Fram Ultra, TC-W3 500:1
'06 Santa Fe - 535k KM (Retired)

There is no such thing as "lifetime" fluids! mad
Re: What oil would you consider or say is a cleaning oil [Re: 53' Stude] #5119205 05/29/19 10:46 AM
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Pennzoil advertises 65% cleaner with PUP and 40% with PP than industrial standards, based on ILSAC GF-5 tests... They also state "keeps" cleaner and mention nothing about cleaning whats already there to begin with but Im assuming it does both just the same...?


2014 F150 STX 4x4 Sport, Super Cab 5.0L Coyote, OZ Omega Tuned, Leveled with 35" BFG TKO2, Banks Power Monster exhaust, jlt oil seperator 5w20 PPPP, Motorcraft fl-500-s
Re: What oil would you consider or say is a cleaning oil [Re: GaryPoe] #5119219 05/29/19 11:01 AM
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JohnnyJohnson Offline
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Originally Posted by GaryPoe
Pennzoil advertises 65% cleaner with PUP and 40% with PP than industrial standards, based on ILSAC GF-5 tests... They also state "keeps" cleaner and mention nothing about cleaning whats already there to begin with but Im assuming it does both just the same...?


LOL and we all know that's true because it was verified by independent Labs. But I'm over 75 and seen to have forgot who those independents labs were any help out there?


2004 Corolla 138441
Out: Havoline Pro DS 10w-30 Purolator PureOne 10-29-19 136457
In: Pennzoil Platinum HM 5W-20 ST 4386
2006 Duramax 77060
Out: T6 5W-40 XG9100 73909
In: Rotella Dino PH9100 11-3-19
Re: What oil would you consider or say is a cleaning oil [Re: 53' Stude] #5119244 05/29/19 11:30 AM
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Panzerman Offline
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In my experience of hundreds if not thousands of oil changes. I can always say Castrol oil seems to always consistently come out blacker than any other oil used.
I have used about every oil I could at one time or another.
Pennzoil, Quaker State, Shell, Valvoline, Mobil 1, Havoline, Super Tech and many others I used full synthetic, semi synthetic and conventional. I buy what's on sale, but I like Castrol the best because I really do think it cleans better.
I have also ran Marvel Mystery oil in the crankcase, although I only added a pint, not a quart as they directed at oil change and ran it the entire 3000-5000 mile oil change before with nothing but a smoother sounding engine.
I've had new cars and my son's F150 , I had and sold him has over 270,000 and doesn't use a drop of oil between changes.
It had several MMO doses. I probably do the MMO every 5 th oil change. Just my observations.



2006 Dodge Ram 2500 Hemi 4x4
2016 Dodge Challenger Scat Pack
Re: What oil would you consider or say is a cleaning oil [Re: 53' Stude] #5119675 05/29/19 07:16 PM
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Onetor Offline
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I e-mailed Dave @ Redline concerning the cleaning abilities of 5W30 oil. I asked about cleaning deposits and piston rings. He stated that Redline will keep an engine clean. Nothing about cleaning. However; it certainly has a stout package from what is posted.

According to JAG , the Valvoline Premium Restore has a great additive package for cleaning engines, including the piston rings. Although; it's at a premium price. But, every 100,000 miles isn't bad. If it works.......


N = R* x fp x ne x fl x fi x fc x L
Re: What oil would you consider or say is a cleaning oil [Re: Panzerman] #5119828 05/29/19 10:40 PM
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Originally Posted by Panzerman
In It had several MMO doses. I probably do the MMO every 5 th oil change. Just my observations.


👍

There's enough empirical data for me to show that MMO in the crankcase works.

Re: What oil would you consider or say is a cleaning oil [Re: 53' Stude] #5120077 05/30/19 08:17 AM
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krismoriah72 Offline
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Redline... is loaded with detergents.

Here is a recent VOA https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4851640/1

Re: What oil would you consider or say is a cleaning oil [Re: 53' Stude] #5120112 05/30/19 09:01 AM
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RDY4WAR Online Content
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Detergents don't clean varnish and sludge. They prevent it by neutralizing acids that cause it. In order to break up varnish and sludge (chemically), you need solvents. Polyol ester makes a good solvent which is why it makes up over 60% of the base oil composition of Valvoline Premium Blue Restore.


"He who is without oil, shall throw the first rod." - Compressions 9:1
Re: What oil would you consider or say is a cleaning oil [Re: RDY4WAR] #5120534 05/30/19 04:50 PM
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53' Stude Online Content OP
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Originally Posted by RDY4WAR
Detergents don't clean varnish and sludge. They prevent it by neutralizing acids that cause it. In order to break up varnish and sludge (chemically), you need solvents. Polyol ester makes a good solvent which is why it makes up over 60% of the base oil composition of Valvoline Premium Blue Restore.


Interesting, I always thought MOBIL 1 stuff was good at keeping things clean. Guess I should have asked TIG1;)


2009 Toyota Camry LE

161,669 miles

Valvoline Maxlife Synthetic 5w20 Dexos 1 Gen 2 SN+
Fram tough guard 4386 filter
Re: What oil would you consider or say is a cleaning oil [Re: 53' Stude] #5120558 05/30/19 05:25 PM
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RDY4WAR Online Content
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Originally Posted by 53' Stude
Originally Posted by RDY4WAR
Detergents don't clean varnish and sludge. They prevent it by neutralizing acids that cause it. In order to break up varnish and sludge (chemically), you need solvents. Polyol ester makes a good solvent which is why it makes up over 60% of the base oil composition of Valvoline Premium Blue Restore.


Interesting, I always thought MOBIL 1 stuff was good at keeping things clean. Guess I should have asked TIG1;)


IIRC, M1 0w-40 is 5-7% POE. Alkylated naphthalene works similar to POE and is found some M1 oils, but I couldn't tell you which ones.


"He who is without oil, shall throw the first rod." - Compressions 9:1
Re: What oil would you consider or say is a cleaning oil [Re: OnTheRocks] #5120749 05/30/19 09:02 PM
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Originally Posted by OnTheRocks
Originally Posted by dave1251
Originally Posted by sloinker
Transmission fluid mixed with kerosene I hear will clean out the old varnish.



Closer to grenade the engine.



Don't discourage science. Let him do it. Then we'll all find out.



There is no science which encourages anyone to try this is 2019. It's laughable you are encouraging anyone to try this.


make the inside of your engine oil cap white.
don't use.
Re: What oil would you consider or say is a cleaning oil [Re: 53' Stude] #5121223 05/31/19 10:36 AM
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Silver Offline
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How do we know an oil that turns blacker than another is doing it because it's cleaning better, and not some other reason like a chemical reaction?

Re: What oil would you consider or say is a cleaning oil [Re: Silver] #5121273 05/31/19 11:43 AM
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Originally Posted by Silver
How do we know an oil that turns blacker than another is doing it because it's cleaning better, and not some other reason like a chemical reaction?


Oil turns black from oxidation. Oil that has more anti-oxidant will take longer to turn black (all else equal). Oils began turning black sooner after API SM due to ZDDP reduction since ZDDP is a good anti-oxidant as well as anti-wear additive.

Also note that some ashless dispersants turn dark from UV exposure (from combustion events) making the oil appear black when it actually isn't.

Black oil is not an indicator of cleaning action. It just means the oil has oxidized.

Contaminants like water and fuel dilution and silicon (dirt) act as catalysts for oxidation.


"He who is without oil, shall throw the first rod." - Compressions 9:1
Re: What oil would you consider or say is a cleaning oil [Re: RDY4WAR] #5121345 05/31/19 01:02 PM
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FordCapriDriver Offline
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Originally Posted by RDY4WAR
Originally Posted by Silver
How do we know an oil that turns blacker than another is doing it because it's cleaning better, and not some other reason like a chemical reaction?


Oil turns black from oxidation. Oil that has more anti-oxidant will take longer to turn black (all else equal). Oils began turning black sooner after API SM due to ZDDP reduction since ZDDP is a good anti-oxidant as well as anti-wear additive.

Also note that some ashless dispersants turn dark from UV exposure (from combustion events) making the oil appear black when it actually isn't.

Black oil is not an indicator of cleaning action. It just means the oil has oxidized.

Contaminants like water and fuel dilution and silicon (dirt) act as catalysts for oxidation.


So if an oil takes a really long time to turn dark that could be a good indicator of a high level of ZDDP?
I was wondering how the 15W-40 HDEO i am using in my Escort just seems to take forever to turn dark, it never really gets black, just a brownish amber.


1975 Ford Capri II Ghia 3000 V6 - Repsol Elite Super 20W-50
1988 Ford Escort XR3i Cabrio - Repsol Elite Super 20W-50

Re: What oil would you consider or say is a cleaning oil [Re: FordCapriDriver] #5121386 05/31/19 01:41 PM
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RDY4WAR Online Content
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Originally Posted by FordCapriDriver
Originally Posted by RDY4WAR
Originally Posted by Silver
How do we know an oil that turns blacker than another is doing it because it's cleaning better, and not some other reason like a chemical reaction?


Oil turns black from oxidation. Oil that has more anti-oxidant will take longer to turn black (all else equal). Oils began turning black sooner after API SM due to ZDDP reduction since ZDDP is a good anti-oxidant as well as anti-wear additive.

Also note that some ashless dispersants turn dark from UV exposure (from combustion events) making the oil appear black when it actually isn't.

Black oil is not an indicator of cleaning action. It just means the oil has oxidized.

Contaminants like water and fuel dilution and silicon (dirt) act as catalysts for oxidation.


So if an oil takes a really long time to turn dark that could be a good indicator of a high level of ZDDP?
I was wondering how the 15W-40 HDEO i am using in my Escort just seems to take forever to turn dark, it never really gets black, just a brownish amber.


Not just ZDDP, but anti-oxidants in general. HDEO is loaded with anti-oxidants.

Diesel oil also contains ZDDP with primary type alkyl groups which are favored toward oxidation inhibition over wear protection.


"He who is without oil, shall throw the first rod." - Compressions 9:1
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