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Date:         Sun, 9 Jan 2000 17:24:02 -0500
Reply-To:     Martin Jagersand <vwjag@HAMMER.CS.JHU.EDU>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Martin Jagersand <vwjag@HAMMER.CS.JHU.EDU>
Subject:      New pre-turbo EGT measurements.
Comments: To: diesel@vwfans.com

I've relocated the EGT probe pre-turbo in my Diesel Westy.
Best place I found to put ir is from the under side in the
exhaus manifild so the the sensor sticks in slightly diagonally
into the turbo inlet.


One concern I had is that the probe takes up a fair bit of area.
The turbo inlet is about 40x40mm and the probe is 6mm diam and protrudes
30 mm in so it blocks about 10%. Any thoughts about this? I angled
 it with the flow a bit, but ideally I would like to withdraw it 10-20mm.
Any thoughts?


Some measurements on flat ground are:


Driving         Boost           EGT
Condition
-------------------------------------
Idle:           0 Bar           100C
20Mph           .2Bar           125-150C
40Mph           .4Bar           200C
60Mph           .7Bar           350C     <- Waste gate starts to open
80Mph           .8Bar           550C     <- Waste gate open


Next step will be to put the intercooler back in and repeat measurements.


Cheers,
Martin
--
Westy 1.9l Turbo Diesel
Quantum 1.6l Turbo Diesel


New and used parts for sale, gas and Diesel:


    http://www.cs.yale.edu/~jag/vw/forsale.html


Martin Jagersand                 email: vwjag@hammer.cs.jhu.edu
Computer Science Department
Johns Hopkins University


        Slow down and visit the VW diesel Westy page:
          WWW: http://www.cs.rochester.edu/u/jag/vw
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