Use the 20w-50. The 10w-30 will cause oil pressure problems during
extended highway travel. Better yet would be a synthetic such as Mobil
15w-50. The Waterboxer needs a high viscosity oil due to it's poor
tolerances, marginal oil pump capacity, and the fact that the case
expands when heated increasing clearances at the bearings.

Dennis

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
Of tabe johnson
Sent: Monday, December 01, 2003 1:23 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Best Oil Viscosity?

I ordered my Bentley, but it hasn't arrived yet.

Can someone please tell me what the suggested
temperature range for 10W30 is in a water cooled
vanagon? How about 20W50?  I need to get down to
maybe -5 to -10 C, no lower.

(I don't mean to start one of those endless recurring
discussions...)

Thanks!

--tabe johnson
xtabe@yahoo.com

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