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Old 11-30-2008, 05:22 PM   #65 (permalink)
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Join Date: Jun 2008
Location: Richland,WA
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Das Schlepper Frog - '85 Mercedes Benz 300SD
90 day: 23.23 mpg (US)

Gentoo320 - '04 Mercedes C320 4Matic
90 day: 22.44 mpg (US)
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Originally Posted by tasdrouille View Post
I have been running since July with cross flow to the IC blocked. Haven't noticed variation in pressure with or without the block. There is not even much variation in IAT between stock and blocked. No variation at all driving on flat terrain. I noticed a 18 F difference on a one mile 6% grade at 60 mph, but that's pretty much it, I never boost for extended period of times.
How are you measuring the IAT? If it is based of a reading from the car's computer the temp sensor is usually located before the turbo either as part of or very close to the MAF sensor. Also if you have working EGR it raises intake temps.
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