Mazda3Club.com : The Original Mazda3 Forum

Mazda3Club.com : The Original Mazda3 Forum (https://www.mazda3club.com/)

- 1st gen/323/GLC Engine and Drivetrain (https://www.mazda3club.com/1st-gen-323-glc-engine-drivetrain-59/)

- - ECU Swap...SOHC to DOHC (https://www.mazda3club.com/1st-gen-323-glc-engine-drivetrain-59/ecu-swap-sohc-dohc-23149/)

Tweeaks

March-28th-2003 02:03 PM

ECU Swap...SOHC to DOHC

If i swapped the ECU in my SOHC to an ECU out of a DOHC would there be any gains? I know a guy with a CRX SI and just swapping the ECU out of an integra is giving him around 20 horses. Well thats what he's said. So can anyone help me out a bit here?

Tweeaks

March-29th-2003 12:42 PM

bumo bump

TheMAN

March-29th-2003 01:55 PM

no, it's been said before... do a search

Bizob

March-30th-2003 11:02 AM

He's right, the plugs don't match up if I remember correctly... Either way, I changed the whole harness and ECU when I did my swap, but that's because I figured the SOHC ECU would'nt work with the DOHC, so I figure vice-versa would also be true.

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