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Date:         Mon, 20 Jan 2014 14:23:18 -0800
Reply-To:     Steven Johnson <sjohnso2000@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Steven Johnson <sjohnso2000@GMAIL.COM>
Subject:      Re: 1991 westy - altitude sickness?
In-Reply-To:  <DD2128C8-9A10-4454-B1CF-0859F302FBC3@gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

On those kind of trips (cross-country or long distance) I do use 91 octane as I understood that it tends keep the heads slightly cooler.

Good question,

Steven 91 Westy

On Mon, Jan 20, 2014 at 2:18 PM, Robert Stevens <mtbiker62@gmail.com> wrote:

> On Jan 20, 2014, at 2:07 PM, KevinPGilleran <kevin@GILLERANENERGY.COM> > wrote: > > All, > > On my last trip out to the Grand Canyon and then circling clockwise around > to Zion I found that my 1991 westy had problems with what I can only > imagine > is the altitude (4970 ft at Kanab Utah). I could barely get the van up to > 50 > miles per hour the entire time we were at elevation. But once we dropped > back down into California and were back on highway 5 (400 feet or so) we > were back up 70 mph no problem. > Any ideas of where I should start on this issue would be much appreciated. > > Your '91 says it requires 91 octane on the fuel cover door IIRC? > Is this a change in altitude performance for your van? > Do you use 91 octane? > > My performance suffers at higher altitude as well, but then I have an > engine > conversion (Subie) and always use 91 octane. I guess I wonder if this is > the > first time this has happened in your travels at altitude, or if it's just > been a long > time since you were driving your van at that altitude? > > bob


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