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#3466170 - 08/27/14 10:11 AM PU better than PP in 5w30?
lukejo Offline


Registered: 09/21/11
Posts: 322
Loc: IL
I know this has been discussed a lot, but now that PU is published with a higher Noack than PP (in 5w30), and all other published numbers look nearly identical, is there any obvious reason to go with PU other than the advertised claims of better cleaning?

((I understand both are great oils and will far surpass my requirements...am just trying to learn what I might be missing that others are seeing.))

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#3466174 - 08/27/14 10:13 AM Re: PU better than PP in 5w30? [Re: lukejo]
HangFire Offline


Registered: 08/21/13
Posts: 2303
Loc: Central Maryland
I've been scratching my head about this as well. Also IIRC Pennzoil yellow bottle 5w-20 has a lower Noack than their 5w-30. Go figure.
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#3466179 - 08/27/14 10:18 AM Re: PU better than PP in 5w30? [Re: lukejo]
timeau Offline


Registered: 10/07/05
Posts: 318
Loc: Maryland
Originally Posted By: lukejo
I know this has been discussed a lot, but now that PU is published with a higher Noack than PP (in 5w30), and all other published numbers look nearly identical, is there any obvious reason to go with PU other than the advertised claims of better cleaning?

PU has higher amount of calcium (2700 vs 2300 ppm), which is a cleaning additive. So this definitely should clean better and run longer. Compare to Amsoil, where 3300+ ppm of calcium.
To be more exact, need to look on Ca+Mg combination.
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#3466182 - 08/27/14 10:21 AM Re: PU better than PP in 5w30? [Re: timeau]
lukejo Offline


Registered: 09/21/11
Posts: 322
Loc: IL
Okay, that's good to know. Where do you find those levels? I have just been looking at their Technical Data Sheet on their site.

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#3466194 - 08/27/14 10:30 AM Re: PU better than PP in 5w30? [Re: lukejo]
OneEyeJack Offline


Registered: 09/14/10
Posts: 6690
Loc: S California
VOA?

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#3466233 - 08/27/14 11:04 AM Re: PU better than PP in 5w30? [Re: lukejo]
timeau Offline


Registered: 10/07/05
Posts: 318
Loc: Maryland
Originally Posted By: lukejo
Where do you find those levels?

I think VOA section on this site is a best place to look.
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#3466260 - 08/27/14 11:28 AM Re: PU better than PP in 5w30? [Re: lukejo]
Apollo14 Offline


Registered: 08/18/14
Posts: 884
Loc: CA
Head over to the PQIA website for comparisons.

If the cost difference is negligible or I had more cleaning needs, I would go with PU.

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#3466265 - 08/27/14 11:30 AM Re: PU better than PP in 5w30? [Re: lukejo]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 11167
Loc: N.H, U.S.A.
Base stock makeup is more important than small Ca level differences. The higher overbase will show more long drain capability but possibly MORE wear in a low saps oil if not balanced with other premium AW/EP agents/lubricants.
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#3466269 - 08/27/14 11:33 AM Re: PU better than PP in 5w30? [Re: lukejo]
Nate1979 Offline


Registered: 04/08/13
Posts: 3501
Loc: Portland, OR
Better? What does that even mean? Noack is just one parameter of many.
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#3466273 - 08/27/14 11:38 AM Re: PU better than PP in 5w30? [Re: Nate1979]
lukejo Offline


Registered: 09/21/11
Posts: 322
Loc: IL
Originally Posted By: Nate1979
Better? What does that even mean? Noack is just one parameter of many.

Exactly, that was my question. As I said, I was only viewing the Tech Data on their site and Noack is the only parameter I see that is different. Obviously "better" means something, or there is no reason for a price difference. You tell me.

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#3466274 - 08/27/14 11:39 AM Re: PU better than PP in 5w30? [Re: Apollo14]
lukejo Offline


Registered: 09/21/11
Posts: 322
Loc: IL
Originally Posted By: Apollo14
Head over to the PQIA website for comparisons.

If the cost difference is negligible or I had more cleaning needs, I would go with PU.

Thanks, will do.

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#3466304 - 08/27/14 12:15 PM Re: PU better than PP in 5w30? [Re: lukejo]
Apollo14 Offline


Registered: 08/18/14
Posts: 884
Loc: CA

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#3466306 - 08/27/14 12:22 PM Re: PU better than PP in 5w30? [Re: Apollo14]
Rand Offline


Registered: 08/20/03
Posts: 11904
Loc: NE,Ohio


Thats not the current formulation of PU or PP.
so not very applicable.
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#3466328 - 08/27/14 12:53 PM Re: PU better than PP in 5w30? [Re: lukejo]
GM4LIFE Offline


Registered: 08/18/14
Posts: 368
Loc: Texas
I am curious as to the real difference between Pennzoil Platinum and the Ultra Platinum.

Is the Platinum comparable to regular Mobil 1?

Is the Ultra Platinum comparable to Mobil 1 EP?

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#3466334 - 08/27/14 12:58 PM Re: PU better than PP in 5w30? [Re: lukejo]
SilverC6 Offline


Registered: 10/03/08
Posts: 2913
Loc: Southeast
http://www.pqiamerica.com/March2013PCMO/Marchsyntheticsallfinal.html

When I see that chart, I always gravitate toward how mediocre Royal Purple 5W-30 "boutique" oil is compared to the majors and its uncanny similarity to Valvoline Synpower and NAPA's house branded Valvoline synthetic.

It's like RP just buys a truck load of Valvoline and then reformulates by adding the purple dye.








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