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Pennzoil Platinum 5W30, 2011 WRX, 5000 Miles #4496454
08/23/17 08:34 PM
08/23/17 08:34 PM
Joined: Jun 2017
Posts: 7
WA
MountainTortoise Offline OP
MountainTortoise  Offline OP

Joined: Jun 2017
Posts: 7
WA
This was Wrexy’s first UOA. Mine too.
In the first 80,000 miles, oil changes were at the recommended 7,500 mile intervals, at the dealership, using Subaru Oil, or Mobil 1 or Pennzoil Platinum provided by me, and using the Subaru filter.

102,000 miles on the car. The engine is stock.
5000 miles on the oil. The final miles were on a quick round-trip to California, pulling 6-percent-plus grades at 75 mph in 104-degrees heat, with the air conditioning maxed.

Oil filter was a Fram Ultra XG7317. I will post pictures of the filter in that section.

I was interested in:
1. Signs of wear from the hot operation.
2. Is there “shearing” or fuel contamination of the oil?
3. The oil filter is longer than the specified one and there have been some concerns about “coking” of the oil due to close proximity of the filter to hot exhaust.

Oil that went in is Pennzoil Ultra Platinum 10W30. I’m thinking of comparing the shearing results, duplicating the driving conditions as best I can. Filter that went in is a Fram Ultra XG6607.

I was expecting to get fuel-dilution results. It was my reason for going to this tester. They don’t appear to have done this test and I’m disappointed.


1998 Ford F-250
2011 Subaru Impreza WRX
Re: Pennzoil Platinum 5W30, 2011 WRX, 5000 Miles [Re: MountainTortoise] #4496483
08/23/17 09:06 PM
08/23/17 09:06 PM
Joined: Jan 2003
Posts: 907
Colorado
newtoncd8 Offline
newtoncd8  Offline

Joined: Jan 2003
Posts: 907
Colorado
Somewhat new to analyzing, but the viscosity @ 100 was 10.0 and the range is 9.3-12.49; that indicates it stayed in grade. I looked at Pennzoil's site and their pdf shows 10.3 when the oil is new. Also, TBN at 5.5 indicates life left in the oil. Will let others correct if I am wrong.


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Re: Pennzoil Platinum 5W30, 2011 WRX, 5000 Miles [Re: newtoncd8] #4496546
08/23/17 10:58 PM
08/23/17 10:58 PM
Joined: Sep 2015
Posts: 2,559
Malaysia
zeng Offline
zeng  Offline

Joined: Sep 2015
Posts: 2,559
Malaysia
Originally Posted By: Curtis Newton
Somewhat new to analyzing, but the viscosity @ 100 was 10.0 and the range is 9.3-12.49; that indicates it stayed in grade. I looked at Pennzoil's site and their pdf shows 10.3 when the oil is new. Also, TBN at 5.5 indicates life left in the oil. Will let others correct if I am wrong.

+1
Rather impress with the minimal viscosity thinning from VII shearing and/or fuel dilution.
Great wear rates,oil in serviceable condition.
OCI could easily be extended to 7500 miles and beyond, including current PUP 10W30.

Re: Pennzoil Platinum 5W30, 2011 WRX, 5000 Miles [Re: MountainTortoise] #4496576
08/24/17 12:48 AM
08/24/17 12:48 AM
Joined: Nov 2012
Posts: 234
NorCal
Seventh Offline
Seventh  Offline

Joined: Nov 2012
Posts: 234
NorCal
Looks great. I'd definitely consider stretching that interval with that low wear and high tbn number. Especially since there was no make up oil according to the report.

Did they muff the sump capacity on the report or do you really only put 4qts in it? Mine takes 5

Re: Pennzoil Platinum 5W30, 2011 WRX, 5000 Miles [Re: MountainTortoise] #4496677
08/24/17 07:05 AM
08/24/17 07:05 AM
Joined: Jan 2013
Posts: 1,503
America's Dairyland
LotI Offline
LotI  Offline

Joined: Jan 2013
Posts: 1,503
America's Dairyland
Spectacular! Looks like a VOA


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Re: Pennzoil Platinum 5W30, 2011 WRX, 5000 Miles [Re: zeng] #4496708
08/24/17 07:53 AM
08/24/17 07:53 AM
Joined: Apr 2004
Posts: 7,952
New York
pbm Offline
pbm  Offline

Joined: Apr 2004
Posts: 7,952
New York
Originally Posted By: zeng
Originally Posted By: Curtis Newton
Somewhat new to analyzing, but the viscosity @ 100 was 10.0 and the range is 9.3-12.49; that indicates it stayed in grade. I looked at Pennzoil's site and their pdf shows 10.3 when the oil is new. Also, TBN at 5.5 indicates life left in the oil. Will let others correct if I am wrong.

+1
Rather impress with the minimal viscosity thinning from VII shearing and/or fuel dilution.
Great wear rates,oil in serviceable condition.
OCI could easily be extended to 7500 miles and beyond, including current PUP 10W30.



Being that it's a 10w30, I'm not surprised that there was minimal VII shearing. I'm also not surprised
that it retained the TBN so well as it was 5K with a lot of highway miles.
I agree that this oil could have went much further...probably 10K at a minimum (with this type of usage).


'Journalism is Dead'
Re: Pennzoil Platinum 5W30, 2011 WRX, 5000 Miles [Re: Seventh] #4496826
08/24/17 09:40 AM
08/24/17 09:40 AM
Joined: Jun 2017
Posts: 7
WA
MountainTortoise Offline OP
MountainTortoise  Offline OP

Joined: Jun 2017
Posts: 7
WA
A little bit.
Oil capacity is 4.2 US quarts (4 litres).


1998 Ford F-250
2011 Subaru Impreza WRX
Re: Pennzoil Platinum 5W30, 2011 WRX, 5000 Miles [Re: pbm] #4496831
08/24/17 09:47 AM
08/24/17 09:47 AM
Joined: Jun 2017
Posts: 7
WA
MountainTortoise Offline OP
MountainTortoise  Offline OP

Joined: Jun 2017
Posts: 7
WA
It's 5W30 in the UOA.
10W30 now in the sump.


1998 Ford F-250
2011 Subaru Impreza WRX
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