Posted by Kaegi on Tuesday, May 06, 2008 at 12:00:50 :
In Reply to: All oils are parrafin based- except synthetics. posted by chriscase@san diego on Tuesday, May 06, 2008 at 00:05:32 :
if thats true then penzoil is using much more than anyone else. its the only oil i have seen the fills engines with sludge with regualr use. I have seen a few motors than ran penzoil where you had to poke a passage thru the sludge to get the oil to drain into the engine via valve cover fill hole.
Follow Ups: