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Thread: Using 7MGE Injectors with 7MGTE ECU

  1. #1
    Junior Member Automotive Encyclopaedia JZA70R_92's Avatar
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    Default Using 7MGE Injectors with 7MGTE ECU

    Hi guys I’m going to be running a 7MGE with 7MGTE electronics(KARMEN VORTEX, COIL PACKS , GTE ECU, GTE Ignitor and Cam position sensor) now my issue is I will be using the 7MGE Injectors which I believe are High impedance correct? And originally the 7MGTE injectors were low impedance that’s why they need the resistor pack for the ecu. My question is will it be ok to run the 7MGE injectors with the 7MGTE ECU and how do I bypass the res pack plug or can I just leave it hanging there??? Before anyone says GTE ecu can run a 7MGE engine its just it will never see +boost. Bad luck for me I guess lol
    1992 - JZA70 STOCK - SOLD

  2. #2
    Junior Member Carport Converter RA35GT's Avatar
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    Default Re: Using 7MGE Injectors with 7MGTE ECU

    Dood...you will need to run the injectors that suit the ecu. i.e. the GTE ones, as the ecu will be set up for that size injector.
    1977 RA35 Celica GT - I4 | 2007 GSV40R Aurion - V6
    Don't live life being scared of death, live in the fear of not truly living. RP 2012

  3. #3
    Junior Member Backyard Mechanic
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    Default Re: Using 7MGE Injectors with 7MGTE ECU

    Man 7mgte injectors on ebay for 60.00$. Check it out.

  4. #4
    Junior Member Too Much Toyota
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    Default Re: Using 7MGE Injectors with 7MGTE ECU

    leave the whole setup as is - as Cruzida has said elsewhere - the GTE ecu will have engine maps that cover vacuum and boost manifold pressure.

    Also - 7M-GTE MX73 is 100% correct and if you used undersized injectors, you could run the motor lean (even when not boosted) and bork it.
    ------------------------------
    ST185 road barge / MZ11 forest barge / RA65 garage barge

  5. #5
    Junior Member Grease Monkey twiztd's Avatar
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    Default Re: Using 7MGE Injectors with 7MGTE ECU

    carlo, i still have a full set of 7mgte injectors laying around if you perhaps need a set? might make things easier for you, because running undersize will cause lean out.

    Mike
    Now - 1988 GX81 Mark II- 7MGTE, GT35R, TiAL 44m, Microtech, 550cc injectors, R154, Xtreme clutch, LSD.... Low boost tune done = 330rwhp@1 BAR...
    Then - 1989 MX83 - The big scrap heap in the sky...

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