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Old 07-02-2009, 01:01 AM   #15
hooleyboy
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Join Date: Jan 2007
Location: Glendale Arizona
Posts: 2,748
Drives: my girlfrind crazy and the occasional Mercedes
I take it you are running the whole 55K engine on the stock 202 ecu?

My questions are: If you are running the 55k on the stock w202 ecu how are you going to control the bypass valve in from the pipeline to the intercooler. I made a block off plate and it works well.

Secondly is your supercharger going to be on all the time because the w202's ecu does not know how to control the SC clutch.

That brings me to your bypass valve on the side of your surge tank. I didnt have them at first and it chewed up the supercharger. However the bypass valve needs to be routed back to the pipeline if the supercharger is engaged all the time so when the throttle body is closes the blower has something to eat. Otherwise you can shock the supercharger and toast out the bearings.

If this is the case that the supercharger will be engaged all the time you are going to need two bypass valves. One per surge tank. Otherwise one side will have a more of a boost drop off than the other.

My bypass valve setup



MAF sensor: It might save you some time to run your MAF like I did. I tried many locations and my currant intake setup was the best spot for tuning purposes.

something like this:


or this


Good luck with the project it is going to be killer! If you have any questions let me know. If You need help tuning the car I just might have a file that will work for you
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Last edited by hooleyboy; 07-02-2009 at 01:03 AM.
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