citterly Posted May 28, 2022 Report Share Posted May 28, 2022 This adapter plate makes for an easy OBD1 harness swap onto your M52, works great. From there use your favorite PnP engine computer solution, I have a LINK on my car. You'll also have to install a M50 valve cover and coils. Originally, I was expecting to include plumbing for the IAC valve, but decided to try without first, see the blocking plate, it worked. The car is only a little finicky on cold start but entirely manageable with the throttle, then idles perfectly once a little heat gets into the engine. I did open the throttle plate a bit with the idle screw. Included: 6061 bullet aluminum adapter plate with IAC block off plate. Vacuum line nipple. 2x OBD1 fuel rail brackets. Supply your own: IAT sensor - OEM Back side gasket/o-ring/seal - OEM Mounting screws - OEM $100 shipped If there is broader interest, I'm willing to make more of these. Kind regards, Chris 1 Quote Link to comment Share on other sites More sharing options...
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