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2001 Prelude H23 Bluetop swap/ Need ECU help plz

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Old Sep 28, 2019 | 10:10 PM
  #1  
Eg93si2's Avatar
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Default 2001 Prelude H23 Bluetop swap/ Need ECU help plz

So I bought a 2001 Prelude with an H23a bluetop engine swap and the car itself was converted from automatic to manual. The check engine light has always ran simple codes but now I have new exhaust and the slight misfire is very noticeable now. The only ECU's I can find are automatic though, and ive heard that they can be changed. Is this true? If so, how? Thank you in advance.
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Old Sep 29, 2019 | 10:27 AM
  #2  
TimiK's Avatar
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From: Kuopio, Finland
Default Re: 2001 Prelude H23 Bluetop swap/ Need ECU help plz

H22A4 - H23 VTEC swap:

Originally Posted by Prelude1897
I hope you still have your original H22A4 ecu. Here's a list of what you needed to swap from your old motor to this motor in order to keep it all as if it came in the car factory

-intake manifold
-dizzy
-ignition coil
-oil pump
-crank sensors
-motor harness

No need for any extra wiring or special ecu. If you swapped these parts over, car would run normal.
Another option is chipped ecu + tune (or hondata)
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Old Jan 15, 2020 | 07:42 PM
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N2O_H23's Avatar
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Default Re: 2001 Prelude H23 Bluetop swap/ Need ECU help plz

I have a 98 with h23 swap. I run a P28 with sst chip and Rich Tune Motorsports flashed a map for me
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