Quote:
Originally posted by Jassper
Hello David,
You are right. 1991 year. I have the model in my description though.
The interesting thing is having the valve disconnected the car felt more responsive.
I already reconnected the EGR. As a matter of fact I can do the test today, just for the fun of it. Both with EGR valve disconnected and connected. Will post in a few hours.
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I saw you mentioned OM602, but the reason the year is important is that there was a non-computerized OM602 used in 1987 on the 190D-T. Then the 90-91 engines are a little different than 92-93, with no ALDA safety.
It's strange that it ran better with the EGR disabled, most people find that power drops drastically (no boost) since the computer never closes the wastegate. I kind of like the idea of replacing the turbo (and possibly the intake) with the non-computerized components from an older, or Euro, model. That takes all the junk out of the equation entirely. A forum member did exactly that on a different car. I'll look forward to hearing your test results!
