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Thread: S14 sr in an s15

  1. #1
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    S14 sr in an s15

    Hi all.
    Any one know what I’ll need to drop an sr20det and manual 6speed box into a spec s auto?.

    So far I have
    Clutch master and slave with lines
    Sr20det from an s14
    6speed spec r gear box

    My question is do I need spec r
    Clocks,ecu,and wiring looms or can I use s14 wiring looms


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  2. #2
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    I'm 99% sure you need the loom and the ECU from the S14 or the S14a you're using. Spec S is HT and Dizzy as well, so you'll need that portion of the S14 or S14a loom for the coil packs anyway.

    You'll also need the S15 clutch and flywheel if you want to use the S15 6 speed.

  3. #3
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    you need to use the s14 engine loom , the s15 6 speed lower loom, then use parts off your N/A loom to keep the ABS/ speedo working.
    tbh i would join the wires to the S14 power transistor and use the VAG coilpacks.

    the s14 engine loom should plug into your s15 but the wires will be in the wrong place so it should be a case of just re-pinning the big white plug.

    you wont need to change your dash clocks.

    nissan mostly like to keep the same colour identifiers for their wring.

    i assume you know abut NATS on the s14/s14A

  4. #4
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    So basically I’ll need s14 or s15 spec r engine loom, lower 6speed box loom,and fuse box loom correct? I have a spec r ecu . Don’t mind repin


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