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#1660368 - 11/06/09 06:33 AM Re: "Q" horsepower or Pennzoil Platinum [Re: Ibrahim]
Zaedock Offline


Registered: 09/10/05
Posts: 3839
Loc: Massachusetts
I'd go with the Q.
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1992 YJ "The Heep"/1994 Olds Cutlass Ciera 3.1/auto
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#1660426 - 11/06/09 08:09 AM Re: "Q" horsepower or Pennzoil Platinum [Re: Zaedock]
RacerE7773 Offline


Registered: 01/12/07
Posts: 973
Loc: Geneva
Same company so I'd use either if I used synthetics.
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2007 Taurus 3.0 101,000 mi.

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#1660453 - 11/06/09 08:30 AM Re: "Q" horsepower or Pennzoil Platinum [Re: RacerE7773]
Jax_RX8 Offline


Registered: 12/13/06
Posts: 345
Loc: Northern VA, USA
Originally Posted By: RacerE7773
Same company so I'd use either if I used synthetics.


Same company, but the formulations between the two are different.

Shell positions their various oil brands in this order (for gasoline engines)
1. Pennzoil
2. QS
3. Shell

From that, you would always expect the Pennzoil oils to be of slightly higher quality.

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#1660468 - 11/06/09 08:40 AM Re: "Q" horsepower or Pennzoil Platinum [Re: Andyge]
EPHIOS Offline


Registered: 03/14/09
Posts: 66
Loc: Nevada
I'd go with PP. I am currently using it, great oil. Second choice, would be M1.
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#1660471 - 11/06/09 08:42 AM Re: "Q" horsepower or Pennzoil Platinum [Re: EPHIOS]
lexus114 Offline


Registered: 05/12/08
Posts: 6017
Loc: Easton, PA
WOW!It look`s like PP hands down!
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#1660491 - 11/06/09 08:53 AM Re: "Q" horsepower or Pennzoil Platinum [Re: RacerE7773]
NHHEMI Offline


Registered: 07/06/07
Posts: 5139
Loc: NH
I would have answered to go with the QHP 2 days ago but now I say the PP. While I still think the Q synthetics are good oils I am very dissapointed in what I saw in an engine run almost exclusively on it in total, and solely on it for the last 2 years +/-, 2 days ago. It has dropped way, WAY, down on my list now. frown

I had my Sister stock up on it when AutoZone had such a great deal a couple years back( 5qts w/ filter for $19 ). She has been running it ever since in her 06 3.5L Impala( not known to be hard on oil )and so has her husband in his truck( 06 Colorado I5 ). I was going to have them start using the new Ultimate Durability( renamed/refomulated HP )but not now. I am going to be borrowing her car for a trip so I was doing some maintenance on it as a thank you.

I was working under the hood and on a whim I pulled the oil filler tube( it unscrews )just to have a peak and see how the top end looked( you can actually see quite a bit through the hole surprisingly ). I was SHOCKED to see the valve train all varnished up( VERY dark! ). I also saw what appeared to be some deposit build up. This is a completely healthy engine with no fluid leaks or anything else wrong that would lead to either conditon. The oil in the crankcase at the time was approx 5 months old and about 4K worth of use. The engine is not known for being hard on oil as I said and the vehicle is not abused/beat on either.

I am not impressed with how the oil performed in "this" application. I actually have run it in other things and felt it did much better. The engine didn't blow up but it is filthy inside at just 27K( approx 24K on QHP only ). I have torn down motors with over 100K run on cheap dino oil that had a cleaner valve train than her car does.

What does that say for her lower end and oil pan condition? I may end up pulling the valve covers to get a better look but really I saw enough through the fill hole to know it won't make me happy. I am going to take a look at her husbands truck to see what it looks like next. He runs the oil 7-10K between changes. I am almost afraid to look as I am the one who recommended they run it. duh

I added some Seafoam and took it for a good cruise down the highay, then let it run at idle for about 30 minutes, to try and clean it out. I then did a swap over to Kendall GT1 synthetic. The Seafoam seemed to remove the deposits I had seen but the valve train is still all varnished and dark.

I know that doesn't mean anything supper bad but it doesn't impress me or mean anything super good either. This out of a supposdely top quality synthetic changed every 5K. I would expect better out of a dino oil in an engine with so few miles that has been cared for as well as her car has.

I may at the next OC for her suggest she do an Auto RX treatment. I wanted to send off a sample of her oil for analysis but I didn't have a kit and I was under such a time constraint I said forget it and just changed the oil.

Hoping the Kendall does a better job.


Edited by NHHEMI (11/06/09 08:59 AM)
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#1660500 - 11/06/09 09:00 AM Re: "Q" horsepower or Pennzoil Platinum [Re: lexus114]
coffee Offline


Registered: 03/11/07
Posts: 1116
Loc: Chandler, Arizona, USA
PP for sure! Better specs and a great oil.
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1994 Volvo 945
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#1660529 - 11/06/09 09:17 AM Re: "Q" horsepower or Pennzoil Platinum [Re: coffee]
Zaedock Offline


Registered: 09/10/05
Posts: 3839
Loc: Massachusetts
Originally Posted By: coffee
PP for sure! Better specs and a great oil.


No it doesn't.

Example: 5W30 QHP has a lower pour point and higher flash point than 5W30 PP. Lower NOACK too.


I would run Q-HP because everyone else runs PP.
_________________________
2012 F150 Ex-cab 5.0L/2004 Malibu Maxx LT
1992 YJ "The Heep"/1994 Olds Cutlass Ciera 3.1/auto
1975 Ford Bronco/1959 Willys CJ5/20XX Custom rock crawler

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#1660546 - 11/06/09 09:33 AM Re: "Q" horsepower or Pennzoil Platinum [Re: Zaedock]
coffee Offline


Registered: 03/11/07
Posts: 1116
Loc: Chandler, Arizona, USA
Originally Posted By: Zaedock
Originally Posted By: coffee
PP for sure! Better specs and a great oil.


No it doesn't.

Example: 5W30 QHP has a lower pour point and higher flash point than 5W30 PP. Lower NOACK too.


I would run Q-HP because everyone else runs PP.


I was actually referring to specs like:

Approved to Acura HTO-06 for turbo-charged applications (5W-30)

Sorry for the confusion.
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1994 Volvo 945
Motorcraft 5w20

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#1660622 - 11/06/09 10:09 AM Re: "Q" horsepower or Pennzoil Platinum [Re: coffee]
Zaedock Offline


Registered: 09/10/05
Posts: 3839
Loc: Massachusetts
Originally Posted By: coffee
I was actually referring to specs like:

Approved to Acura HTO-06 for turbo-charged applications (5W-30)

Sorry for the confusion.


And that applies to a '97 Sentra? It's a spec for one engine, in one model.
Perhaps SOPUS did not see value in paying to have it's other syns tested.
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2012 F150 Ex-cab 5.0L/2004 Malibu Maxx LT
1992 YJ "The Heep"/1994 Olds Cutlass Ciera 3.1/auto
1975 Ford Bronco/1959 Willys CJ5/20XX Custom rock crawler

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#1660671 - 11/06/09 10:44 AM Re: "Q" horsepower or Pennzoil Platinum [Re: Zaedock]
coffee Offline


Registered: 03/11/07
Posts: 1116
Loc: Chandler, Arizona, USA
Originally Posted By: Zaedock
Originally Posted By: coffee
I was actually referring to specs like:

Approved to Acura HTO-06 for turbo-charged applications (5W-30)

Sorry for the confusion.


And that applies to a '97 Sentra? It's a spec for one engine, in one model.
Perhaps SOPUS did not see value in paying to have it's other syns tested.




Probably a valid point as the oil probably meets the spec even without the printed and paid for label.
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1994 Volvo 945
Motorcraft 5w20

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#1660675 - 11/06/09 10:51 AM Re: "Q" horsepower or Pennzoil Platinum [Re: Jax_RX8]
prax Offline


Registered: 03/27/09
Posts: 233
Loc: NA
Originally Posted By: Jax_RX8
Same company, but the formulations between the two are different.

Shell positions their various oil brands in this order (for gasoline engines)
1. Pennzoil
2. QS
3. Shell

From that, you would always expect the Pennzoil oils to be of slightly higher quality.


I remember reading something like that somewhere.. probably BITOG. Do you have a source because I don't see Shell promoting QS as #2?

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#1660679 - 11/06/09 10:54 AM Re: "Q" horsepower or Pennzoil Platinum [Re: prax]
Johnny Offline


Registered: 05/27/02
Posts: 14013
Loc: Retired | Wausau, WI
Believe it or not, Shell has three different marketing departments. Just depends on which one feels their job security is in jeopardy.

I remember some bozo saying when Shell bought Pennzoil/Quaker State that he wanted to promote the Pennzoil brand and the luxury car oil for the more mature person, and the Quaker State brand as the performance/hot rodder brand for the young spirited person. Just plain stupid.


Edited by Johnny (11/06/09 10:58 AM)

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#1660696 - 11/06/09 11:06 AM Re: "Q" horsepower or Pennzoil Platinum [Re: Johnny]
prax Offline


Registered: 03/27/09
Posts: 233
Loc: NA
I don't remember reading that, lol, but my impression was that Pennzoil>QS.

QS puts Group II in their dino 10w30s. PYB is Group II+. I think you said that Johnny. PP uses XHVI which is one of the best Group III basestocks. QS does not.

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#1660700 - 11/06/09 11:09 AM Re: "Q" horsepower or Pennzoil Platinum [Re: prax]
Johnny Offline


Registered: 05/27/02
Posts: 14013
Loc: Retired | Wausau, WI
This is true. The PP now uses a version of the XHVI, believe they are calling it Group III+ at the lab, if there is such a name.

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