It was somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember ":::Jerry::::"
saying something like:

I wouldn't say it's ********, but I would also say that to describe it as
'complete folly' is simplistic, again it will depend on what the engine has
been designed to use.

Exactly. The use of synthetic in absolutely every engine, as was
advocated, would be a waste of money in many cases.
--

Dave