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Best ECU for gsr swap

Discussion in 'ECU's, Electronics, and Tuning' started by khiz, Aug 3, 2004.

  1. khiz

    khiz Junior Member

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    Jul 26, 2004
    I am currently thinking about getting a gsr swap in my 92 hatch. Here is my question.
    Which ecu is best for daily driving? The choices are either the P72 (OBD1) or the P28. I was doing some research and found on the hyperducktuning website that the p28 is more of a race application. They also stated that with the p28 you loose secondaries (is it all that important) remember no major mods....So which ecu would you guys recommend and why....

  2. nfn15037

    nfn15037 Senior Member

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    Mar 1, 2004
    P72 for sure is what I would go with. With a P28, you do indeed lose secondary control, which is what gives the GSR motor that nice midrange. The P28 can be converted to control secondaries, however it's not worth it. Just for the record, the P28 and P72 can be chipped in the exact same way and run the exact same code, the main difference being the secondary control and the knock sensor daughter board.
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