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What ecu and ewh should i use?

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Old Apr 9, 2023 | 12:08 PM
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Default What ecu and ewh should i use?

I have a 92 integra ls bottom end and b16 head stamped 91 but I’m going to use 99 parts( vtech solenoid etc etc) what ecu and ewh should i use?
I have the ecu from the ls and the ecu out of my 99 ex civic and the harness from the ls. Should I buy a hondata stand alone and get a rywire harness? If so which one ?
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Old Apr 9, 2023 | 08:43 PM
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Default Re: What ecu and ewh should i use?

Yes, you should buy a Hondata for tuning since no factory ECU will run the engine correctly. Engine harness choice will depend on what chassis you intend to stick the engine in.
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Old Apr 10, 2023 | 04:28 AM
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Default Re: What ecu and ewh should i use?

Originally Posted by JRCivic1
Yes, you should buy a Hondata for tuning since no factory ECU will run the engine correctly. Engine harness choice will depend on what chassis you intend to stick the engine in.
it’s going in a 99 civic
and do I need a p28 with hondata in it or p75 or some other one?

Last edited by BodieEJ8; Apr 10, 2023 at 05:28 AM.
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Old Apr 10, 2023 | 08:33 PM
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Default Re: What ecu and ewh should i use?

A P28 with Hondata is a good choice. The P75 would have to add VTEC components to the ECU to make it work... either way, you will need that Hondata S300 to tune the engine. If you find a '99-00 Civic Si engine harness, it will be essentially "Plug-n-Play". A '99-00 Civic EX manual engine harness will work too with minimal modifications.
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