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B20 IPD-modified D-Jet ECM red dial 140-160 1971

I have an IPD-modified B20 D-Jet ECM (with the remote resistor switch). The ECM itself has a red dial switch to the left of the cooling fins. I understand the remote dial routes through different resistors to fool the air temp sensor, but can anyone tell me what the dial on the ECM itself does? It has no markings on the dial nor are there any on the ECM casing

Thanks all






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New B20 IPD-modified D-Jet ECM red dial [140-160][1971]
posted by  catfishk  on Mon Mar 24 09:57 CST 2014 >


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