1991 200TQ with 20V Engine, Boost Profile

ECU TURBO BOOST OUTPUT GRAPH
Stock and Modified

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ECU Stock 1991 200TQ Wagon 20V:

Here is a graph showing the actual boost output in 3rd gear at Wide Open Throttle from 2000 to 7000 RPM. Note the reduction in boost at the higher rev range.

This graph was made using a portable oscilloscope and a pressure transducer connected to the intake manifold.

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Modified 1991 200TQ Wagon 20V:

Here is a graph showing the actual boost output in 3rd gear at Wide Open Throttle from 2000 to 7000 RPM.

This vehicle was tested using a modified ECU with the 2.5 bar Pressure Transducer installed.

Note that Max boost is now ~2.25 bar and is reduced to ~1.9 bar at 7000RPM.



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