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Thread: RB25 MAF on a RB20

  1. #1
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    RB25 MAF on a RB20

    Im in need of a MAF and I got a offer for a RB25 MAF. I was just wondering if it will work or do I have to tune the ECU like people do for a Z32 MAF. Some people say the MAF'S are the same and could be replaced. I just would like to know what the deal here.

  2. #2
    Mr. Sarcasm canadianskyline's Avatar
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    They are the same, but the connectors are different and the rb25 maf only has 3 wires, the rb20 maf has a chassis ground which needs to be hooked up.

    They read the same voltage and such though.
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  3. #3
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    Quote Originally Posted by canadianskyline View Post
    They are the same, but the connectors are different and the rb25 maf only has 3 wires, the rb20 maf has a chassis ground which needs to be hooked up.

    They read the same voltage and such though.
    You sure about the 3 wires? I have always seen 4 wires on the rb20 and rb25 mafs and harnessess.

  4. #4
    GTRCer kelaog's Avatar
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    My maf has 5 wires but only four are functional

    chances are its the same for the RB25 maf

    IE: 5 wires and only 3 are hooked up lol.

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