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Old 12-22-2016, 08:10 PM
bfeeney bfeeney is offline
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Turbo '99 ECU Question

Sorry if this has been covered a million times, I searched for the answer but couldn't find it. I am putting a turbo on my '99 SH using the H22a4 that came with the car, no engine swap (T2T4 trans swap though). Everyone says to use the P72 ECU with Hondata for my tuning, so that's what i'll do. I looked up what parts need changed to do the OBD1 conversion but I'm only finding tons of contradictory info, Do/don't do the distributor, do/don't do injectors with resistors, I even read the oil pump needs swapped........for the ECU to work. Could anyone who knows tell me what is involved with taking and OBD2 H22a4 and converting it to OBD1 with a P72? Thanks
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