Paul wrote:

As somebody pointed out Mobil withdrew AV synthetic after some AC engines
were damaged but I know not the reason. I suspect that synthetic does not
stick to surfaces for very long. When I use it in my Ford V8 and I don't
drive it for awhile I think I hear tappet noise. I could be way wrong on
this.

Perry Mick wrote:

I thought it was something to do with the lead in the avgas.

--
Perry J. Mick
Mick Duckt N7XR
http://www.ductedfan.com

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