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#4493047 - 08/19/17 05:48 PM What synthetic resists heat/sludge the best.
Bill7 Offline


Registered: 11/30/13
Posts: 23
Loc: NY, USA
Hi,

I have a hot running engine which is known for its cronic sludge issues. Its a 2006 Honda Odyssey EX-L with the VCM and it currently has a sludge problem.
I'm getting it cleaned out. Once the engine is cleaned, my main question is: Which synthetic would resist high heat / forming sludge / deposits.

I like Penzoil Ultra Platinum, but since its made 100% from Natural Gas (without any Type IV PAO's or Esthers), would it be effective in a high heat application to prevent new sludge buildup?

Is Mobil 1 a better choice, since the longer drain interval Mobil 1 formulations would have more PAO's and Esthers?

Please give me some expert advice.

Regards,

Bill


Edited by Bill7 (08/19/17 05:50 PM)

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#4493054 - 08/19/17 05:52 PM Re: What synthetic resists heat/sludge the best. [Re: Bill7]
FlyNavyP3 Offline


Registered: 07/04/16
Posts: 1407
Loc: Jacksonville, FL
If you want the very best there is to offer I think you'd be hard pressed to beat Redline. However it's likely totally overkill for your application.

Either M1 or PP/PUP should be more than sufficient.
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#4493062 - 08/19/17 06:00 PM Re: What synthetic resists heat/sludge the best. [Re: Bill7]
SilverFusion2010 Offline


Registered: 06/29/11
Posts: 1657
Loc: Crawfordville FL
For a given oil, going up in viscosity will help with sludge. We have photos of engines that look new with over 100k miles with M1 in the crankcase
_________________________
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#4493067 - 08/19/17 06:04 PM Re: What synthetic resists heat/sludge the best. [Re: SilverFusion2010]
bbhero Offline


Registered: 03/20/15
Posts: 4616
Loc: Virginia
+1 to what SilverFusion stated. Those motors looked fantastic.
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#4493075 - 08/19/17 06:08 PM Re: What synthetic resists heat/sludge the best. [Re: Bill7]
mclasser Offline


Registered: 04/13/13
Posts: 2227
Loc: The Northeast
VCM engines tear up oil, more so the early gen ones. Following the MM with dino oil makes matters worse.

Stick to 5k mile changes using any quality syn -- HM if you want added detergency. And most importantly, install a VCMuzzler.

Trav on here has a lot of experience with VCM engines.


Edited by mclasser (08/19/17 06:08 PM)
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#4493090 - 08/19/17 06:25 PM Re: What synthetic resists heat/sludge the best. [Re: Bill7]
FermeLaPorte Offline


Registered: 07/25/17
Posts: 469
Loc: Texas (south)
Instead of using let's say 5w20, use 10w30.
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#4493092 - 08/19/17 06:26 PM Re: What synthetic resists heat/sludge the best. [Re: Bill7]
Bill7 Offline


Registered: 11/30/13
Posts: 23
Loc: NY, USA
Thanks all for your input.

2 quick follow up questions:

(1) Since Penzoil Ultra Platinum Synthetic is made from 100% Natural gas and dosn't have any Synthetic Type IV PAO's or Esthers,
is it effective in high heat situations to prevent new sludge deposits?

(2) What is the VCMuzzler. Is it software or hardware. Where to get it / install it?

Thanks,
Bill

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#4493096 - 08/19/17 06:30 PM Re: What synthetic resists heat/sludge the best. [Re: Bill7]
SilverFusion2010 Offline


Registered: 06/29/11
Posts: 1657
Loc: Crawfordville FL
1. Probably. PUP is considered a top tier synthetic.

2. VCM = cylinder deactivation I think. It's a little hardware box that plugs into the OBD II port.
_________________________
2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30

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#4493106 - 08/19/17 06:36 PM Re: What synthetic resists heat/sludge the best. [Re: Bill7]
Ether Offline


Registered: 01/22/17
Posts: 82
Loc: Europe


Edited by Ether (08/19/17 06:37 PM)

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#4493145 - 08/19/17 07:22 PM Re: What synthetic resists heat/sludge the best. [Re: Bill7]
Bill7 Offline


Registered: 11/30/13
Posts: 23
Loc: NY, USA
Thank you - Interesting reading.

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#4493188 - 08/19/17 08:10 PM Re: What synthetic resists heat/sludge the best. [Re: Bill7]
Donald Offline


Registered: 03/21/04
Posts: 20450
Loc: Upstate NY
Have you pulled a valve cover to verify it has sludge?

How are you getting the sludge cleaned?

Any major brand synthetic oil will slowly clean sludge.
_________________________
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2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)


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#4493248 - 08/19/17 09:36 PM Re: What synthetic resists heat/sludge the best. [Re: Bill7]
oil_film_movies Offline


Registered: 06/13/16
Posts: 2553
Loc: MN
A 2006 may just need a High Mileage oil. Recommend M1 HM 5w30 for more seal conditioners, and synthetic basestocks do as much as possible to counter sludge formation.

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#4493264 - 08/19/17 09:56 PM Re: What synthetic resists heat/sludge the best. [Re: Bill7]
burla Offline


Registered: 11/07/16
Posts: 255
Loc: sonoma
Redline, kinda easy answer for what you were asking. Nothing will be better then an ester PAO base against heat, except maybe esters by themselves.

But also I would be looking at a high detergent oil as an alternative, Pennzoil Ultra Platinum comes to mind. I will say most sludgers I've seen where due to faulty pcv. You can use the cheapest oil you can find and it will out perform anything if the anything has a poorly working pcv, and the cheap oil has a good working pcv.

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#4493402 - 08/20/17 07:25 AM Re: What synthetic resists heat/sludge the best. [Re: Bill7]
LoneRanger Offline


Registered: 07/02/07
Posts: 4056
Loc: Midwest USA
Originally Posted By: Bill7
Hi,

I have a hot running engine which is known for its cronic sludge issues. Its a 2006 Honda Odyssey EX-L with the VCM and it currently has a sludge problem.
I'm getting it cleaned out. Once the engine is cleaned, my main question is: Which synthetic would resist high heat / forming sludge / deposits.

I like Penzoil Ultra Platinum, but since its made 100% from Natural Gas (without any Type IV PAO's or Esthers), would it be effective in a high heat application to prevent new sludge buildup?

Is Mobil 1 a better choice, since the longer drain interval Mobil 1 formulations would have more PAO's and Esthers?

Please give me some expert advice.

Regards,

Bill


For reference...


Esther:



Ester:

_________________________

'09 Subaru Forester ...................(QSED DEXOS1 5W30)
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#4493412 - 08/20/17 07:41 AM Re: What synthetic resists heat/sludge the best. [Re: LoneRanger]
4WD Offline


Registered: 09/21/10
Posts: 6366
Loc: Texas
Dude - have not had enough coffee for that picture - but this whole thread contains all good options once a price point is established ... laugh

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