On Wed, 18 Dec 2002, Robert Keezer wrote:

> Also use lower weight oil. 20 -50 almost becomes tar when it gets below 0
> out.

I seem to remember the "pumping point" for 20W oil, in the SAE specs, is
15 degrees F.  Below that temp I wouldn't use it because it may not get
pumped into the engine well enough to provide proper lubrication.

             _ _
  __ _ _   _| | |  | David M. Brodbeck (N8SRE)              Ypsilanti, MI
 / _` | | | | | |  +-----------------------------------------------------
| (_| | |_| | | | @ cyberspace.org
 \__, |\__,_|_|_| "To the optimist, the glass is half full.  To the
 |___/             pessimist, the glass is half empty.  To the engineer,
                   the glass is twice as big as it needs to be."