Onan BFA Oil - Why not 20W-50?
Note: Our typical camping climate range runs from 10F to 115F (if we go to Redding, CA in the summer... otherwise up to about 105 in Southern Oregon.) Clearly Onan/Cummins have updated their recom...
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Another good reliable read regarding oil relating to air-cooled engines
http://lnengineering.com/resources/category/driven-racing-oil-tech-articles/
or
http://www.thesamba.com/vw/forum/viewtopic.php?t=220755
http://lnengineering.com/resources/category/driven-racing-oil-tech-articles/
or
http://www.thesamba.com/vw/forum/viewtopic.php?t=220755
