Posted by Gary [162.158.68.113] on Tuesday, July 19, 2016 at 23:07:51 :
In Reply to: tests on 124 oils and Prolong posted by Gary [162.158.68.113] on Tuesday, July 19, 2016 at 15:15:41 :
Old engines like old stuff like Marvel Mystery Oil and Rislone. I put Marvel Mystery Oil in the oil and gas to lube the upper cylinders. Also good getting sticky valves to loosen up due to bad gas. G