Without going into the reliability of those forming opinions from net talk,
like p. salanger and ilk, as regards mcdonald's coffee suit propaganda, the
synthetic and leaded fuel problems do seem to be real. <g> And, the piston
crowd also seem to be aware of it, with most going to mogas. (Can't be killing
more dinosaurs, I guess; or, maybe syn oil really is better.) Decalin
www.decalinchemicals.com seems to be
a rather positive attitude approach, if you want to go that way.