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Swapping heads : d15b7 head to d16z6

Discussion in 'General Tech and Maintenance' started by CRXSI91, Nov 30, 2004.

  1. CRXSI91

    CRXSI91 Senior Member

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    ok...i have the d16z6head...and i want to put it on my b7 block..i have a 91 crx si....its already wired up for Vtec...but from what ive been told,i will need a "si or Ex" ecu from that year (92-95 vtec ecu)...but then ive also been told i wont need it...now im prepared to buy that ecu on thursday..but im trying to figure out if i can put the head on without it...can someone help me out...right now im running the dx motor off of my stock si ecu.

    thanks.
     
  2. THEUSED

    THEUSED Junior Member

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    CRX SI came with a D16A6 not a D15b7
    Im not sure if you swapped that block in or what.
    Anyways you have to have either a vtec or nonvtec OBD1 ecu
    NON vtec ecu=vtec on a switch

    Having a vtec ecu from 92-92 EX,SI,VX will have vtec activate when it reaches the required rpm

    Im not sure what you mean its already wired for vtec
     
  3. phunky.buddha

    phunky.buddha Admin with a big stick Admin VIP

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    If you're going to add a VTEC ECU, you'll need to convert the car to OBD1. If you don't want to use a VTEC ECU, you can add a piggyback VTEC controller like the Apex'i VAFC.
     
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