Home › Forum › Ask A Member › Correct gear oil for mid 1950’s Johnson › Re: Correct gear oil for mid 1950’s Johnson
July 24, 2015 at 11:14 pm
#20779
I use the new version of the Hi-Vis (the HPF version) in all of my 50’s engines. Will maintain optimum protection levels with as much as a 25% solution of water in the oil.