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Old 07-22-2009, 12:08 PM   #27 (permalink)
ConnClark
DieselMiser
 
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Join Date: Jun 2008
Location: Richland,WA
Posts: 985

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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Quote:
Originally Posted by blueflame View Post
I guess I'm done with modding fuel/air/iat on this van.

Twiddle thumbs
Try modding a cold air intake. Diesels are more efficient with cold air. Also try and come up with a ram air intake. That will help a little too.

This paper below shows the correlation of intake temperatures and efficiency of a modern diesel engine. (see the graph at the bottom left of page 5)

http://www.buet.ac.bd/me/icme/icme20...ME05-TH-35.pdf
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