Re: 10hp Johnson.

[olcah]

My 2 cents – If you get one good pressure tank it will fit a bunch of Johnson/Evinrudes from the 1950s. That way you do not have to convert every time you get a pressure tank motor. I see no particular advantage to converting unless you want to use the same tank as another non pressure motor. Seems to my simple mind that it just adds complexity, something else to fail. Pressure tanks are the original deal, They look old school. They work just fine, parts are around and to me it is the easy way to go.