> What is the correct cylinder lubricant for: > Viton ringed pistons? > Teflon ringed pistons? > In bronze cylinders. > Standard steam oil?? > Any difference for Cast Iron cylinders? > John Rippengal. MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.