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PPPP = Pennzoil Platinum Pure Plus GTL = Gas to Liquid (a process used to extract hydrocarbons from natural gas) QSUD = Quaker State Ultimate Durability SOPUS = Shell Oil Products U.S. Thanks for the explanation! I didn't know that Quaker State and Pennzoil are now owned by Shell (a Dutch...

Originally Posted by turnbowm Originally Posted by john_pifer Originally Posted by aquariuscsm Try what I'm using in my Honda,QSUD 10W30. Wonder how that oil differs from what I'm using in my WRX - PPPP 10W-30. Think it's essentially the same thing? PPPP uses GTL basestock, QSUD does not...

Appreciate the replies regarding using alternate oil. I want to make sure I understand the basics: Is it true that if we want to improve the resistance to dilution (viscosity reduction) we should pick an oil with a higher upper (summer) number - for example 30W or 40W instead of 20W? Also for...

I'm willing to change the oil weight/viscosity I use, BUT worry that not using 0w20 as specified in the CRV owner's manual could be used as an excuse by Honda to deny an engine damage warranty claim down the road. Does anybody here have insight into whether that is a realistic concern? When I...

I bought a 2018 CRV this past weekend after reading about the great safety equipment and crash test ratings (already have a 2014 Odyssey) . Now I just stumbled across the oil dilution issue - that Honda claims happens due to engines not getting up to full operating temp (e.g. short trips). My...

Wow! I just bought a 2018 CRV after reading about the great safety ratings - now I just stumbled across this issue. My son noticed right away this past weekend (28 degrees out) that it took a very long for the CRV temp gauge to rise - and it would drop while sitting at a stoplight. I've read...