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Date:   Sun, 24 Dec 2006 17:04:13 -0800
Reply-To:   Mike Rouby <mikerouby@YAHOO.COM>
Sender:   Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:   Mike Rouby <mikerouby@YAHOO.COM>
Subject:   Re: Aircooled Cylinder Head Temps - first observations
Comments:   To: Greg Potts <greg@pottsfamily.ca>
In-Reply-To:   <9332BB0D-705A-4F28-9C2D-9B552E28ADEA@pottsfamily.ca>
Content-Type:   text/plain; charset=iso-8859-1

My Type 4 mechanic recommend throwing away my stock exhaust (which included a catalytic converter) in favor of a Bugpack header & muffler combo. Not only in the interest of power, but apparently for lower cylinder head temps.

Since I added the CHT guage after the exhaust upgrade, I can't be too sure of this.

Outside temp during trip ~ 50 degs. 1 hour long trip. Full loaded w/ family of four and full propane & water tanks. Downshifting to third under 55mph.

Greg Potts <greg@pottsfamily.ca> wrote: Hi Mike,

Sounds excellent to me. With a load on my baywindow pulls 375-420 degrees. A vanagon has the same type4 engine as my bus, so 450 is tolerable, sustained driving above 475 is to be avoided.

Happy Trails,

Greg Potts 1973/74/77/79 Westfakia "Bob The Tomato www.pottsfamily.ca

On 24-Dec-06, at 5:28 PM, Mike Rouby wrote:

Took my second camping trip in my 82 Westy ever. This time around I had a CHT guage added. On the highway it would be between 300 and 400 degs. Never quite reaching 400 - hovering normally around 350 degs. 375 when climbing hills or driving at 70 mph down the HOV lane.

Is that normal? My Bug mechanic says high should be 375 for a Bug.

Anyone getting similar results??

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