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Date:         Mon, 1 Jul 2002 09:09:13 -0600
Reply-To:     Ben McCafferty <ben@KBMC.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Ben McCafferty <ben@KBMC.NET>
Subject:      Oil musings on a hot day....
Comments: To: syncro <syncro@yahoogroups.com>
Content-type: text/plain; charset="US-ASCII"

Hi all, I've been driving around a lot in CO with temps in the upper 90s, and have noticed an increase in the incidence of the oil pressure light/buzzer when the engine is at its hottest. I am currently running Castro 20W50 non-synthetic and Mann oil filter. (I have had the usual intermittent Vanagon buzzer when decelerating from highway cruises). I can only assume the oil is hotter and thinner, and being compressed out more easily?

Looking in the owner's manual at oil recommendations, I see that 20W50 really doesn't go up to these temps, and I think the fact that the engine works harder at altitude and on hills doesn't help things.

I see that SAE40 is recommended from about 80F to 100F, and am planning to make the switch for the remainder of the hot summer weather. Anyone out there in severe heat given this a try? Results? Favorite brands?

Thanks, and I'll post my results to the list when I have them. bmc :) "Faith will move mountains, but you'd better bring a shovel...."


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