junnie, after reading your meandering below, I ask again:

why is it you think "viscosity" is in any particular way different from
"pumpability"?

Gene Kearns
Date: 10/9/2004 7:16 PM Eastern Daylight Time
Message-id:

On 09 Oct 2004 22:57:58 GMT, (JAXAshby) wrote:

junnie, why is it you think "viscosity" is in any particular way different
from
"pumpability"?


You sorta missed the point, there, dood.....

Viscosity is resistance to flow and, therefore, is related to
pumpability.

The point that you have missed is that 0W is not SAE 0(it is
undefined), 5W is not SAE 5, nor is 10W equivalent to SAE 10. "W"
numbers are NOT a viscosity reference. The Cold Crank Simulator (CCS)
and Mini-Rotary Viscometer (MRV) tests are used to determine the oil's
"W" grade and are, thus, not related to viscosity.

Sorry, but 15W-50 is not 15 weight in the winter and 50 weight in the
summer.... it never had a calendar.....

--



Grady-White Gulfstream, out of Southport, NC.

http://myworkshop.idleplay.net/cavern/ Homepage
http://www.southharbourvillageinn.com/directions.asp Where Southport,NC
is located.
http://www.thebayguide.com/rec.boats Rec.boats
at Lee Yeaton's Bayguide