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Pennzoil Platinum HM 5w20 15 Jeep GC 3.6L #5191889 08/20/19 07:42 AM
Joined: Dec 2006
Posts: 33
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1nighttrain Offline OP
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This is my wife's Jeep , she drives about 5 minutes to work each day , during the 8600 miles we took the vehicle on a 2000 miles round trip , the 0.5 fuel is a little concerning , possibly from long idling .

The oil life monitor was at 9% at the time of the oil change it looks like I'll be using this handy lil tool ..

The vehicle had 76251 miles on it at the time of the oil report...

IMG_1842.JPG
Last edited by 1nighttrain; 08/20/19 07:45 AM.
Re: Pennzoil Platinum HM 5w20 15 Jeep GC 3.6L [Re: 1nighttrain] #5191901 08/20/19 07:58 AM
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Macsignals Offline
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I'd be curious to see what another lab says about the fuel percentage, but even considering that you have a really good report there!


-Ian A.
Mine:
2016 GMC Sierra 1500, L83 5.3L V8. Shell RGT 0w20, Bosch 3502 oil filter. Daily driver.
1992 Dodge Dakota, 3.9L V6. Delvac 10W30, Napa Silver filter. Out of service for restore.
Re: Pennzoil Platinum HM 5w20 15 Jeep GC 3.6L [Re: 1nighttrain] #5203477 09/03/19 08:02 AM
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ZZman Offline
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I have been disappointed lately with the low detergents and ZDDP levels compared to their old oils and others oils.


2007 Hyundai Santa Fe AWD.
2005 Toyota Avalon XLS
Re: Pennzoil Platinum HM 5w20 15 Jeep GC 3.6L [Re: ZZman] #5204865 09/04/19 08:32 PM
Joined: Jul 2005
Posts: 12,349
dave1251 Offline
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Originally Posted by ZZman
I have been disappointed lately with the low detergents and ZDDP levels compared to their old oils and others oils.



The oil has a very positive effect on wear and TBN retention. Your opinion is like it's a disappointed when you're house A/C runs more efficient with advanced freon and uses 10% less energy.


make the inside of your engine oil cap white.
don't use.
Re: Pennzoil Platinum HM 5w20 15 Jeep GC 3.6L [Re: 1nighttrain] #5207021 09/07/19 11:06 AM
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zuluplus30 Offline
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The fuel is nothing to worry about. Flashpoint still good, viscosity still good, wear still low. I’d say the oil life monitor is spot on. I love those Pentastar motors. One of the best engines they have ever produced.

Last edited by zuluplus30; 09/07/19 11:07 AM.
Re: Pennzoil Platinum HM 5w20 15 Jeep GC 3.6L [Re: 1nighttrain] #5207094 09/07/19 01:19 PM
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jimbrewer Offline
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The only thing that you have to complain about is the over conservatism of your IOLM.

I’d continue to use that brand oil and run it down to the “change oil” sign.

Re: Pennzoil Platinum HM 5w20 15 Jeep GC 3.6L [Re: dave1251] #5224971 09/28/19 06:00 PM
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ZZman Offline
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Originally Posted by dave1251
Originally Posted by ZZman
I have been disappointed lately with the low detergents and ZDDP levels compared to their old oils and others oils.



The oil has a very positive effect on wear and TBN retention. Your opinion is like it's a disappointed when you're house A/C runs more efficient with advanced freon and uses 10% less energy.


Not an opinion as much as a fact when looking at oil reports. Since oils are a balancing act when additives are used I prefer higher detergent levels and ZDDP.

I like PP oil and have used it a lot. I am just disappointed in what appears to be a lowering of additives. Until we discover the other "hidden" additives that oil reports are probably missing, I will still be disappointed.


2007 Hyundai Santa Fe AWD.
2005 Toyota Avalon XLS
Re: Pennzoil Platinum HM 5w20 15 Jeep GC 3.6L [Re: ZZman] #5225006 09/28/19 07:43 PM
Joined: Jan 2019
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ad_infinitum Offline
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Originally Posted by ZZman
I have been disappointed lately with the low detergents and ZDDP levels compared to their old oils and others oils.


In a modern engine that has a timing chain and uses a roller cam, high zinc is counterintuitive. High levels of zinc are not needed to protect the camshaft, and modern oils use organic anti-wear additives that don’t show up on a UOA, but work just as well. Similarly, high levels of zinc in a direct-injection engine leads to increased timing chain wear. Finally, what do you mean “low detergents,” he has a TBN of 3.0 after going 8,600 miles. Pennzoil Platinum is designed for an OCI that the manufacturer sets, usually around 10k, not extended OCI.

Re: Pennzoil Platinum HM 5w20 15 Jeep GC 3.6L [Re: dave1251] #5225026 09/28/19 08:25 PM
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bbhero Offline
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Originally Posted by dave1251
Originally Posted by ZZman
I have been disappointed lately with the low detergents and ZDDP levels compared to their old oils and others oils.



The oil has a very positive effect on wear and TBN retention. Your opinion is like it's a disappointed when you're house A/C runs more efficient with advanced freon and uses 10% less energy.



I agree Dave ^^^^^

The magnesium and calcium add up to 1400+ ppm.. the mg is also why the TBN is higher at this point too. Oils with higher magnesium always have maintained higher TBN than other oils with no mag.. It has molybdenum at 61 ppm and boron at 56... I'd bet the molybdenum is the trip nuclear moly too.. the zinc and phos have been cut to save the cats... And like another very smart member noted that too much zinc is not the best for timing chain wear..


Nissan Altima 3.5 Coupe
Cam2 Dexos1 Gen 2 5w30 Wix 57356 Oil filter
"Treat your family like your friends and treat your friends like your family."
Re: Pennzoil Platinum HM 5w20 15 Jeep GC 3.6L [Re: 1nighttrain] #5225347 09/29/19 08:54 AM
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tiger862 Offline
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Looking at the numbers oil is starting to thicken up not thinning. Viscosity number is on the higher end so not thinning out from fuel and add lower flashpoint to the mix you get oil degrading. I would either change earlier or use a different oil. This is just my observation and of course others might not agree.


Tiger862
2018 Grand Caravan
Re: Pennzoil Platinum HM 5w20 15 Jeep GC 3.6L [Re: ad_infinitum] #5225642 09/29/19 01:58 PM
Joined: Mar 2008
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ZZman Offline
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Originally Posted by ad_infinitum
Originally Posted by ZZman
I have been disappointed lately with the low detergents and ZDDP levels compared to their old oils and others oils.


In a modern engine that has a timing chain and uses a roller cam, high zinc is counterintuitive. High levels of zinc are not needed to protect the camshaft, and modern oils use organic anti-wear additives that don’t show up on a UOA, but work just as well. Similarly, high levels of zinc in a direct-injection engine leads to increased timing chain wear. Finally, what do you mean “low detergents,” he has a TBN of 3.0 after going 8,600 miles. Pennzoil Platinum is designed for an OCI that the manufacturer sets, usually around 10k, not extended OCI.


I like seeing close to 2,000 or higher for detergents. 1400 + is run of the mill amount for a premium product in my opinion. PUP has a much stronger add pack that I like to see.


2007 Hyundai Santa Fe AWD.
2005 Toyota Avalon XLS
Re: Pennzoil Platinum HM 5w20 15 Jeep GC 3.6L [Re: bbhero] #5225650 09/29/19 02:04 PM
Joined: Mar 2008
Posts: 6,760
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ZZman Offline
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Originally Posted by bbhero
Originally Posted by dave1251
Originally Posted by ZZman
I have been disappointed lately with the low detergents and ZDDP levels compared to their old oils and others oils.



The oil has a very positive effect on wear and TBN retention. Your opinion is like it's a disappointed when you're house A/C runs more efficient with advanced freon and uses 10% less energy.



I agree Dave ^^^^^

The magnesium and calcium add up to 1400+ ppm.. the mg is also why the TBN is higher at this point too. Oils with higher magnesium always have maintained higher TBN than other oils with no mag.. It has molybdenum at 61 ppm and boron at 56... I'd bet the molybdenum is the trip nuclear moly too.. the zinc and phos have been cut to save the cats... And like another very smart member noted that too much zinc is not the best for timing chain wear..



All those amounts are just typical amounts in what I consider to be a premium product. Not stand out amounts. And in the ZDDP range you can safely go to 800.

I would be curious to know how many CATS are ruined by high ZDDP if they weren't constant oil burners.


2007 Hyundai Santa Fe AWD.
2005 Toyota Avalon XLS
Re: Pennzoil Platinum HM 5w20 15 Jeep GC 3.6L [Re: ZZman] #5226954 09/30/19 08:29 PM
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ad_infinitum Offline
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There are also, like organic anti-wear additives that don’t show on UOA, ash-less detergents/dispersants that don’t show up on UOA. Don’t use the ppm of anti-wear or detergent metals in an oil analysis as the only factor in determining the overall quality of a lubricant. As the current form of analyzing oil (metals by ppm) is becoming an obsolete way of determining the overall quality of a finished lubricant with ever-increasing technology. That is because it leaves out the organic and ash-less compounds that are highly relevant to the quality analysis of an oil. However, results of a UOA, in terms of wear metals, are always relevant to the quality of a lubricant, because it shows how the organic and non-organic additives, in totality, performed under real-world conditions. Here, the results, even with lower zinc and calcium, (but without being able to gauge organic additives) are excellent.

Re: Pennzoil Platinum HM 5w20 15 Jeep GC 3.6L [Re: ad_infinitum] #5227214 10/01/19 06:41 AM
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ZZman Offline
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Originally Posted by ad_infinitum
There are also, like organic anti-wear additives that don’t show on UOA, ash-less detergents/dispersants that don’t show up on UOA. Don’t use the ppm of anti-wear or detergent metals in an oil analysis as the only factor in determining the overall quality of a lubricant. As the current form of analyzing oil (metals by ppm) is becoming an obsolete way of determining the overall quality of a finished lubricant with ever-increasing technology. That is because it leaves out the organic and ash-less compounds that are highly relevant to the quality analysis of an oil. However, results of a UOA, in terms of wear metals, are always relevant to the quality of a lubricant, because it shows how the organic and non-organic additives, in totality, performed under real-world conditions. Here, the results, even with lower zinc and calcium, (but without being able to gauge organic additives) are excellent.


In that case the oil testing companies should change with the times.


2007 Hyundai Santa Fe AWD.
2005 Toyota Avalon XLS
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