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Date:         Mon, 10 May 2010 22:50:42 -0500
Reply-To:     tom ring <taring@TARING.ORG>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         tom ring <taring@TARING.ORG>
Organization: Tippen Ringware
Subject:      Re: Good local mechanic worked on my 85
Comments: To: Angus Gordon <birdworks@gmail.com>
In-Reply-To:  <AANLkTilow2ckS5uCyYpQjQOSMpAnkwDmQvjaP50I2D4u@mail.gmail.com>
Content-type: text/plain; charset=US-ASCII

Thanks. Makes sense.

tom K0TAR

On 10 May 2010 at 20:36, Angus Gordon wrote:

> The exhaust system has to be air-tight for the O2 sensor to work properly. > Exhaust gas pulses can draw air in through cracks, which fools the O2 > sensor. > > Angus > > > Angus Gordon > Bainbridge Island WA > > birdworks@gmail.com > > > On Mon, May 10, 2010 at 8:04 PM, tom ring <taring@taring.org> wrote: > > > And a question. I have had a very minor to major break in the exhaust for > > a > > few thousand miles. The very minor was a lengthwise split about 2 inches > > from > > the head and extending for about an inch and a half. That was around in > > somewhat patched to not patched for a couple cycles for about 5 thousand > > miles. > > The major was the driver side forward cylinder. Broke at the flange. Bad > > mojo. 20 miles home. > > > > Patched with the nasty white exhaust paste wrapped with the high temp buck > > a > > foot exhaust wrap and then with steel fence wire with about 1/16 to 1/8 > > spacing. > > > > Lasted for 150 miles, almost all I needed last summer. > > > > So the question - is proper/even back pressure a critical thing on these > > engines? Because this thing is more balanced cylinderwise and just in > > general > > than I remember. > > > > tom > > K0TAR > > > > On 10 May 2010 at 21:27, tom ring wrote: > > > > > Just had a local private mechanic install a new exhaust on an engine that > > had > > > at least 1 broken stud. He removed and welded a couple other support > > bits > > > during the job. Replaced the oxy sensor with new. Installed all new > > fuel > > > lines and covered them with the old outside protective plastic shrouds. > > > > > > I supplied the new exhaust kit and fuel line kit but nothing else. He > > picked > > > up the oxy sensor and replacement studs as well as a few other gaskets > > and > > > bolts. > > > > > > Total bill - $330 including additional parts and shop. I like Westside > > VW, but > > > this was a lot cheaper for 10 hours of work. > > > > > > He is in the Minneapolis metro if anyone is interested. Contact me at > > the > > > shown email address. > > > > > > tom > > > K0TAR > > > > > > > > > __________ Information from ESET NOD32 Antivirus, version of virus > > signature database 5103 (20100510) __________ > > > > > > The message was checked by ESET NOD32 Antivirus. > > > > > > http://www.eset.com > > > > > > > > > > > > > > > __________ Information from ESET NOD32 Antivirus, version of virus signature database 5103 (20100510) __________ > > The message was checked by ESET NOD32 Antivirus. > > http://www.eset.com > >


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