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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