01-26-2023, 11:25 AM
(01-26-2023, 08:24 AM)ichiban_imp Wrote: 10w-30 and I will not deviate even if I lived on Mars. Having seen all the internal memos and Honda R&D's technical deep dives, higher viscosity is better which is common folk law is grossly incorrect.
I wish I could share those documents but I can't, gagging order in force. I use Honda genuine oil, I will never be popular here. soz.
I would recommend Honda GN4 to any Honda owner.