D Drew7a Joined Feb 3, 2020 Messages 615 Location Great Lakes Feb 20, 2021 #1 Most people here probabbly know this, but I found it interesting the the original J300 spec in 1911 for oil grades was the oil flow time at 100deg C. https://windyridgefarm.us/SaeOil.pdf
Most people here probabbly know this, but I found it interesting the the original J300 spec in 1911 for oil grades was the oil flow time at 100deg C. https://windyridgefarm.us/SaeOil.pdf
J Jetronic Joined Feb 27, 2009 Messages 9,307 Location down in the park Feb 20, 2021 #2 Basically it's still done that way, that's what kinematic viscosity is. But the unit is different, cSt versus seconds.
Basically it's still done that way, that's what kinematic viscosity is. But the unit is different, cSt versus seconds.
ZeeOSix $100 site donor 2022 Joined Jul 22, 2010 Messages 40,460 Location PNW Feb 22, 2021 #3 FYI - 2015 is the latest revision of J300. SAE J300 | Widman International SRL www.widman.biz