Re: Oil Pressure

[Paul Hunt <paul.hunt1@virgin.net>]

pbailey wrote:
> 
> Doesn't 20W50 mean when its cold it will be 20W to help cranking and
> when it's hot it will be 50W or somewhere in between or do I have this
> backwards?....Pat

I seem to remember reading that before multigrades were introduced it 
was common to use a different grade of oil in winter (20W) to summer 
(50).  The 20W/50 means that it performs as a 20W would in winter and 50 
in summer.

PaulH.