Does it hurt anything to mix grease types? i.e I don't always remember what I used last on what
I decided last week I need to start keeping a maintenance journal. 2 jetskis, 1 boat, 1 truck, 2 SUV's, 1 car, 2 trailers, 2 lawn tractors I can't keep track of when I lubed, changed oil, filters, plugs, batteries, brakes, etc and what I used...