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-1

Any VTEC ECU should work as long as the VTEC solenoid is connected and wired to the ECU. I have a 94 integra with a B18C1 (DOHC VTEC). When I bought the car it had an ECU for a SOHC VTEC engine. VTEC would still engage. You might be able to test it with a test light on the pigtail for the VTEC Solenoid.


4

VTEC - Variable Timing and Lift Electronic Control VTEC requires the ability to understand the state of the environment and motor in order to change the valve timing. Various sensors from oxygen, engine rpm, barometric pressure, engine temperature, air temperature, oil pressure, throttle position effect the the various timing events of a VTEC engine. ...


2

Yes you will need a compatible ECU for your new engine. The ECU reads multiple signals from your engine and will change your camshafts timing accordingly. When your engine gets high rpm, your valve timings should be adapted to get the VTEC boost.



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