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#1944634 - 07/06/10 07:36 PM Re: Pennzoil sludge cleaning ability [Re: Drew99GT]
StevieC Offline


Registered: 08/21/08
Posts: 14339
Loc: Niagara Falls, ON, CA (near)
Originally Posted By: Drew99GT
What specifically is in the new Pennzoil formulas that can clean sludge? Do other oils have this but just don't advertise it?
Marketing is the secret ingredient! wink
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#1944665 - 07/06/10 08:05 PM Re: Pennzoil sludge cleaning ability [Re: StevieC]
buster Offline


Registered: 11/16/02
Posts: 29372
Loc: NJ
http://www.gf-5.com/

You can see where the performance differences are in the spider diagram in the link above. Pennzoil is already at GF-5.
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#1944677 - 07/06/10 08:19 PM Re: Pennzoil sludge cleaning ability [Re: Drew99GT]
Tempest Offline


Registered: 03/21/06
Posts: 10483
Loc: Las Vegas NV
Originally Posted By: Drew99GT
You think it might be a more solvent type base oil Buster? Aren't there some very highly solvent group III base oils now?

That would be news to me. GrpIII processing usually removes (nearly all) solvents and naphthenics as they are not as thermally stable.
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#1944689 - 07/06/10 08:34 PM Re: Pennzoil sludge cleaning ability [Re: Tempest]
Drew99GT Offline


Registered: 10/11/02
Posts: 21114
Loc: Colorado Springs
Originally Posted By: Tempest
Originally Posted By: Drew99GT
You think it might be a more solvent type base oil Buster? Aren't there some very highly solvent group III base oils now?

That would be news to me. GrpIII processing usually removes (nearly all) solvents and naphthenics as they are not as thermally stable.


Isn't Ultra and Platinum group III?

What is it specifically that's making these newer oils/GF-5 oils able to clean existing deposits compared to oils of previous specification that are unable to clean existing deposits?

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#1944713 - 07/06/10 09:01 PM Re: Pennzoil sludge cleaning ability [Re: Drew99GT]
Tempest Offline


Registered: 03/21/06
Posts: 10483
Loc: Las Vegas NV
I think someone said it before. Lots of calcium and boron.
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#1944804 - 07/06/10 10:28 PM Re: Pennzoil sludge cleaning ability [Re: Tempest]
Drew99GT Offline


Registered: 10/11/02
Posts: 21114
Loc: Colorado Springs
Originally Posted By: Tempest
I think someone said it before. Lots of calcium and boron.


Lots of oils have had lots of Calcium and boron before; they've never claimed to remove existing sludge and deposits, let alone 40% during the first oil change.

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#1944814 - 07/06/10 10:36 PM Re: Pennzoil sludge cleaning ability [Re: Drew99GT]
HangerHarley Offline


Registered: 06/10/10
Posts: 1239
Loc: Duval Co. Jax FL, USA
Originally Posted By: Drew99GT
Originally Posted By: SLCraig
Marketing. PYB is a good product though don't get me wrong.
All oils have cleaning agents and when used as intended, will keep your engine at least (fairly) clean inside.


Yes, but Pennzoil specifically says it's oils will clean existing sludge.


Its Synthetic-ness and Detergents package probably attack the Sludge pretty hard, or whatever the Oil thinks is Sludge. Then it likely holds it in Suspension until changed.

I would think that the oil would darken rather quickly if it is as agressive as Pennzoil says. Others have expressed skepticism.

If i can find 15W-50 for my application, im going with Pennzoil. I will search for it before i give up, them M1 will be used if i cant find PP no need for PU. It is simply a matter of whatever is there, and whatever works. Both these Oils will likely suit the bill, though i will seek PP before using M1 with no worries and no qualms. Ive done my homework. And i do NOT think it will "Eat up my camshaft."

The only thing i would be concerned about is Leaks. If PP is so smart it can remove Sludge that well, then MMO is not needed, that seems a product for non-Superstar Sludge Cleaning Oils in which case it works well, though some frown at solvent in crankcase. I can partially see why, as Oil does that function already, so why not add MMO.. n/m.

I say again, if PP can clean sludge and not make Leaks appear by claning away sealer sludge, Ihave found an Oil for Life.

Has anyone ever had leaks arise after using PP? Or has it acted as a good Sealer and Seal Conditioner with its additive pack, while working its de-sludge magic? They seem Opposites.

And OT but as to the "PYB Sludge Horror," I have come to the conclusion that.. While a handful of people have no reason to lie and probably were mechanics and probably tore apart engines in the 70s and 80s (likely in engines of the time that were unknown sludgers back then) in which case it would have had a bad rep into the 90s until new PYB came along, I believe that calling new "Exceeds API SM" PYB Sludgers is very insulting, based on all i have read here. And i dont even use PYB. JMO, and its far worse than ANY Attack or Comparison or Test against other Oils on M1 ive seen, which i may end up using in my application.

no-no PYB Sludge sayers, if speaking in Modern Day and not about decades past gone, are liar stooges boxing

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#1944818 - 07/06/10 10:44 PM Re: Pennzoil sludge cleaning ability [Re: Drew99GT]
Tempest Offline


Registered: 03/21/06
Posts: 10483
Loc: Las Vegas NV
Originally Posted By: Drew99GT
Originally Posted By: Tempest
I think someone said it before. Lots of calcium and boron.


Lots of oils have had lots of Calcium and boron before; they've never claimed to remove existing sludge and deposits, let alone 40% during the first oil change.

Probably also multifunction VII.
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#1944829 - 07/06/10 10:50 PM Re: Pennzoil sludge cleaning ability [Re: Tempest]
Drew99GT Offline


Registered: 10/11/02
Posts: 21114
Loc: Colorado Springs
Originally Posted By: Tempest
Originally Posted By: Drew99GT
Originally Posted By: Tempest
I think someone said it before. Lots of calcium and boron.


Lots of oils have had lots of Calcium and boron before; they've never claimed to remove existing sludge and deposits, let alone 40% during the first oil change.

Probably also multifunction VII.


I thought VII caused the infamous Pennzoil sludge!

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#1944831 - 07/06/10 10:51 PM Re: Pennzoil sludge cleaning ability [Re: Drew99GT]
UncleS2 Offline


Registered: 05/27/02
Posts: 3183
Loc: Far North East Texas
Here we go again- Oh, dat bad ol' Pennzoil! smirk

If Pennzoil yellow bottle is so bad, how did it accomplish *This*? Link: http://www.bobistheoilguy.com/forums/ubb...true#Post251306
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#1944833 - 07/06/10 10:53 PM Re: Pennzoil sludge cleaning ability [Re: Drew99GT]
Tempest Offline


Registered: 03/21/06
Posts: 10483
Loc: Las Vegas NV
Not the new (expensive) stuff.

I still buy 10W30 to (hopefully) reduce the amount of VII.
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#1944855 - 07/06/10 11:31 PM Re: Pennzoil sludge cleaning ability [Re: UncleS2]
Drew99GT Offline


Registered: 10/11/02
Posts: 21114
Loc: Colorado Springs
I don't know if it's reverse sarcasm, or if some people were born without a sarcasm detector. I'm fairly sure it's the latter!

FWIW, there's two jugs of the new Pennzoil GF-5 10w-30 sitting in my garage.

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#1944856 - 07/06/10 11:31 PM Re: Pennzoil sludge cleaning ability [Re: Tempest]
buster Offline


Registered: 11/16/02
Posts: 29372
Loc: NJ
Ca is being lowered if anything.

Maybe a formulator can help us out here.
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#1944865 - 07/06/10 11:41 PM Re: Pennzoil sludge cleaning ability [Re: UncleS2]
aquariuscsm Online   content


Registered: 12/30/06
Posts: 10811
Loc: South Texas,USA
Originally Posted By: Stuart Hughes
Here we go again- Oh, dat bad ol' Pennzoil! smirk

If Pennzoil yellow bottle is so bad, how did it accomplish *This*? Link: http://www.bobistheoilguy.com/forums/ubb...true#Post251306


Yep,Pennzoil yb definitely wins the trophy for the best UOA`s. Better than the most expensive synth oils.
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#1944888 - 07/07/10 12:09 AM Re: Pennzoil sludge cleaning ability [Re: Tempest]
HTSS_TR Online   content


Registered: 04/17/06
Posts: 14298
Loc: Lake Forest, CA
Originally Posted By: Tempest
Not the new (expensive) stuff.

I still buy 10W30 to (hopefully) reduce the amount of VII.


Honda engine engineers recommend 10W30 for the high rev S2000 for similar reason.
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