Mega 75w-90 testing thread!

SubieRubyRoo said:
@HPL Plant Manager could you please provide the lab test results for the different viscosities of Gear Life so we can expand our knowledge base? Thanks!
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Here is everything off the data sheet, which includes pour point and brookfield. I will look tomorrow and add the PDSC and wear results.

Screenshot 2024-11-18 at 3.54.27 PM.webp
 
Are these the Cold Climate versions? I was also curious about the non-cold Diff Life Brookfield result in the 75w90…and if there is a 75w110 in the non-cold version, what it’s Brookfield result is.
 
Right, but they have the PAO (CC version), and the more G3 non-CC version. That table he provided matches what I saw for the CC version (however I came up with it: a post by @Spedestrian ?). Spedestrian also showed a table for the non-CC, but it had no Brookfield or KRL info…so I thought maybe @HPL Plant Manager might be able to fill in the blanks.

Ford keeps insisting I use the 75w85, which leads me to think there is some need for thinner oil, but of course all the old-schoolers think I need 75w140. I will probably flip a coin between Severe Gear 75w90 and 75w110, unless HPL has another Black Friday sale, and somehow convinces me their non-CC 75w90, which kind of splits the difference in viscosity between the 2 Amsoil’s, is as good, and not way more expensive.
 
Impatient said:
Right, but they have the PAO (CC version), and the more G3 non-CC version. That table he provided matches what I saw for the CC version (however I came up with it: a post by @Spedestrian ?). Spedestrian also showed a table for the non-CC, but it had no Brookfield or KRL info…so I thought maybe @HPL Plant Manager might be able to fill in the blanks.

Ford keeps insisting I use the 75w85, which leads me to think there is some need for thinner oil, but of course all the old-schoolers think I need 75w140. I will probably flip a coin between Severe Gear 75w90 and 75w110, unless HPL has another Black Friday sale, and somehow convinces me their non-CC 75w90, which kind of splits the difference in viscosity between the 2 Amsoil’s, is as good, and not way more expensive.
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SubieRubyRoo said:
The cold climate version is noted as “CC” and has Group IV oils as the base.
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We now only have one version of the Differential Life fluids - which were the cold climate versions prior. We no longer manufacture the "non" cold climate version as the cost to make those was surpassing the cost to make the cold climate version. Yes we will have another sale this year - will be a small business saturday and cyber monday sale.
 
HPL Plant Manager said:
We now only have one version of the Differential Life fluids - which were the cold climate versions prior. We no longer manufacture the "non" cold climate version as the cost to make those was surpassing the cost to make the cold climate version. Yes we will have another sale this year - will be a small business saturday and cyber monday sale.
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Oh look, a product improvement that also reduced costs as well! Thank you @High Performance Lubricants team!
 
HPL Plant Manager said:
We now only have one version of the Differential Life fluids - which were the cold climate versions prior. We no longer manufacture the "non" cold climate version as the cost to make those was surpassing the cost to make the cold climate version. Yes we will have another sale this year - will be a small business saturday and cyber monday sale.
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Thats unfortunate. The non-cold climate version had much better results in the wear test.
 
Yep, I'm going Amsoil for my next diff fluid change. It's interesting that Amsoil is actually a huge bargain compared to Motorcraft fluid.

And thanks to everyone that worked on putting this together for us.
 
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