I've used 20/50 the whole life of my 87 Wolfsburg, including
Nevada/Death Valley in over 100 degree heat. 

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
Of Stan Wilder
Sent: Wednesday, August 24, 2005 11:44 AM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: STUPID QUESTION?

If your 20/50 has been working  ........... keep running it.
It's crank case pressure that blows seals not oil viscosity.
In spite of your degree in physics and your mechanic's degree in real
hard times you probably know more about your VW than him.

Stan Wilder
Engine Ceramics
214-352-4931
www.engineceramics.com
----- Original Message -----
From: "bueses" <bueses@EARTHLINK.NET>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Wednesday, August 24, 2005 12:53 PM
Subject: STUPID QUESTION?

> I dropped the 84 Westy off at my longtime local vw mechanic for a 
> quick
once
> over, fuel lines, coolant hoses, change the oil, double check my aux.
> battery installation, etc. before heading to see the man burn.
>
> When I told him, I had 20/50 weight dino oil in it, he said he could 
> do
that
> but didn't recommend it. Thought 10/30 or 10/40 at the highest to not 
> blow out seals, etc.
>
> I know we have beat this to death recently, but I can't seem to access

> the archives. Help? What weight oil for a 1200 mile  rd. trip to BFE 
> Nevada w/ temps over 100?
>
> TIA,
>
> Tom