Mar 23, 2011 · iso viscosity classification system Many petroleum products are graded according to the ISO Viscosity Classification System, approved by the international standards organization (ISO). …

Mar 30, 2010 · Greetings, Some of the hydrostat systems I service call for a 20w-50 motor oil instead of a true hydraulic oil or even UTF. My question, is what attributes should one look for in a 20w-50 for …

Apr 30, 2017 · I was told that the best weight oil for an old Mercedes engine 2.2L in-line 6 would be "a good 20w-50 conventional motor oil." Any recommendations? Thanks

Jul 9, 2018 · Mobil 1 15W-50 is well known for protecting hard working air cooled engines perfectly. It's available for a reasonable price in 5 quart jugs at WalMart. Finding a synthetic 20W-50 for a similar …

Dec 20, 2022 · Manual book says to use 20W-50 oil, but absurdly it's more expensive here than 10W-40 while having lower specs. So far the highest spec for 20-50W is mineral based or semi sinthetic, API …

Jun 10, 2020 · im not a Lucas fan at all but.. "Lucas Hot Rod & Classic Car Motor Oil SAE 20W-50 is manufactured with the highest quality paraffinic base oils and is fortified with a unique additive …

Nov 23, 2015 · The 20W-50 grade was widely recommended for a variety of Euro cars up through my old e36 of the mid nineties, for which it was the recommended grade for ambients >84F. For the …

Jul 27, 2014 · Here is a Used Oil Analysis of Lucus 20W50. The oil was run for 1500 miles in air cooled v-twin. As you can see the SUS Viscosity is 60.3 which means it broke down to a 30 weight oil. If it …

Mar 2, 2010 · I use either Mobil V-Twin 20W-50 synthetic or Redline 20W-50 V-Twin synthetic in my 103 Harley RKC motor and the Redline V-Twin Primary synthetic fluid in the primary and Redline V-Twin …

Dec 19, 2004 · A thicker oil might cushion the parts a little better, but, as the claim goes, most engine wear is from engine start up. Using 20w50 over a 5 or 10w30 will cause your engine life to decrease …