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Pennzoil Gold 0w20 question #4701776
03/21/18 11:11 AM
03/21/18 11:11 AM
Joined: May 2017
Posts: 109
VA
MSTUEBER Offline OP
MSTUEBER  Offline OP
Joined: May 2017
Posts: 109
VA
Hope this question has not been asked before. My understanding is Pennzoil Gold is a blend of synthetic and conventional oil.
So is the 0w20 a mixture of 0w20 synthetic and 0w20 conventional? If so, why is 0w20 conventional oil not available.


2017 Fiat 124 Spider Abarth .... factory fill
2015 Chrysler 200 0w20 Milesyn Wix XP
1992 Mazda Miata Napa 5w30 Napa Gold
Re: Pennzoil Gold 0w20 question [Re: MSTUEBER] #4701796
03/21/18 11:23 AM
03/21/18 11:23 AM
Joined: Mar 2008
Posts: 5,841
South Florida
bubbatime Offline
bubbatime  Offline
Joined: Mar 2008
Posts: 5,841
South Florida
Originally Posted By: MSTUEBER
why is 0w20 conventional oil not available.


Because its impossible to make a 0W20 oil using current technology with only conventional lubricants. Even semi-synthetic blends are far and few between, although we will probably see more of them as 0W20 is getting more prevalent.


17 Chrysler Pacifica Mobil 1 5W30
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06 GMC Sierra Nextgen 10W30


Re: Pennzoil Gold 0w20 question [Re: bubbatime] #4701805
03/21/18 11:30 AM
03/21/18 11:30 AM
Joined: Jun 2016
Posts: 2,991
MN
oil_film_movies Online content
oil_film_movies  Online Content
Joined: Jun 2016
Posts: 2,991
MN
Originally Posted By: bubbatime
Originally Posted By: MSTUEBER
why is 0w20 conventional oil not available.


Because its impossible to make a 0W20 oil using current technology with only conventional lubricants. Even semi-synthetic blends are far and few between, although we will probably see more of them as 0W20 is getting more prevalent.


When you formulate an oil like this, you start with base oil that will reach the "0w" cold visc requirements. This part can be done with conventional oil.
However, you have to then prop up the KV100 and HTHS to reach the "20" requirements, using VII chemicals. Still, this all can be done with conventional oil.
The last step is then passing all the high-temperature tests like NOACK, piston deposits, TEOST, etc. which really needs some GroupIII and/or GroupIV synthetics to pass that part.

Re: Pennzoil Gold 0w20 question [Re: MSTUEBER] #4701813
03/21/18 11:34 AM
03/21/18 11:34 AM
Joined: Dec 2005
Posts: 9,900
Upper Midwest
kschachn Online content
kschachn  Online Content
Joined: Dec 2005
Posts: 9,900
Upper Midwest


1994 BMW 530i, 228K
1996 Honda Accord, 263K
1999 Toyota Sienna, 400K
2000 Toyota ECHO, 271K

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