Since my RV was in storage i as unable to get to the manual to see the correct oil weight so I watched a couple of videos on changing oil on a class c Ford , both used 5-20 wt[emoji848]Found out ford changed back to 5-30wt later on AFTER I had bought the 5-20 so thanks for your response I’ll get it corrected, BTW not trying to start another oil war thread..Merry Christmas [emoji631]
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