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B18b motor w/ auto gsr tranny in 95 Civic

Discussion in 'HYBRID -> EG-EK / DC' started by braden71385, Jan 13, 2004.

  1. braden71385

    braden71385 Junior Member

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    I just bought a b18b engine & a automatic gsr transmission...
    im not sure which ecu to use with this engine and transmission.
    Would I use the gsr p72 ecu, or would that not work because its
    made for vtec motors? Also if it wouldnt work because of the vtec
    issue, could i just have it rewired? Last question is, does it
    matter which model of p72 ecu it is? I know it has to be obd 1,
    but is there auto version of the p72 and a manual version of the p72?
    Im kinda a newb to engine/transmission shit, any advice on this
    matter would be highly appreciated.
    Thanks
     
  2. Hatchbacks Anonymous

    Hatchbacks Anonymous Senior Member

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    :lmao:
     
  3. civicious

    civicious FüK-VTEC VIP

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    p72 on an ls motor will cause a couplea problems:
    knock sensor
    secondaries
    vtec solenoid/vtec pressure


    you won't be able to rev over 6500. i dont know why, thats just what happens when you put a p72 ecu in an ls.

    get the ecu that was on the motor originally.
     
  4. braden71385

    braden71385 Junior Member

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    Thanks for the info Civicious.
     
  5. civicious

    civicious FüK-VTEC VIP

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  6. pissedoffsol

    pissedoffsol RETIRED

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    the is no auto gsr tranny in the states.... not sureif there's a jdm one or not...
     
  7. Wytt

    Wytt Member

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    There is an automatic tranmission for a "GSR" in Japan (in JDM, GSR = SIR-G). As for ECU you should use a B18B ECU (an LS automatic ECU should do, I think).
     
  8. xj0hnx

    xj0hnx I wanna be sedated VIP

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    Yip sure was, also a auto SiR/SiRII.
     
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