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by andycart
Tue Aug 17, 2010 1:39 pm
Forum: Aircraft Construction & Maintenance
Topic: Oil for VW based air cooled conversions;help & advice pl
Replies: 16
Views: 14136

I've just completed an Aerovee Sonex and Sonex recommend (I think now mandate) the use of Valvoline VR1 20W/50 Mineral oil for their Vdub conversions, I beleive because it has the zinc additive mentioned earlier. My engine only has 37 hours on it so it's a little early to tell if it's 'good stuff'. ...