Can I use K20A3 motor from RSX auto for an SI?
03-30-2016, 10:38 AM
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Can I use K20A3 motor from RSX auto for an SI?
I have a 2003 Civic SI EP3 that needs a new motor. Can I put a used RSX K20a3 auto engine in by switching the fuel and ignition systems from the SI? Also will this work with all the JDM K20a3 motos I see with similar fuel induction systems?
03-31-2016, 11:00 AM
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Re: Can I use K20A3 motor from RSX auto for an SI?
Yes you will need to change the drive plate out if it's still attached. Use the flywheel from the Si and the clucth.
04-03-2016, 08:29 PM
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Re: Can I use K20A3 motor from RSX auto for an SI?
Switch the intake manifold and throttle body from the old motor onto the new one. Some of the JDM K20A non Type R engines have 3 lobe intake camshafts instead of 2 like the US K20A3s so those won't work with the stock Si ECU.
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