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Thread: jzz30 1jz mapsensor swap to a 2jz m/sensor??

  1. #1
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    Default jzz30 1jz mapsensor swap to a 2jz m/sensor??

    Hi all, can anyone tell me if there is any gains to using a 2j mapsensor on a 1j. also would it be harmful to the 1j engine running 2j mapsensor??
    cheers

  2. #2
    Toymods V8 Member Too Much Toyota CrUZida's Avatar
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    Default Re: jzz30 1jz mapsensor swap to a 2jz m/sensor??

    Have a search in the Tech section.
    Someone compared the two not long ago.
    Peewee
    1985 MZ12 Soarer - 1UZ Powered
    2013 86 GTS

  3. #3
    drunken escapades Conversion King fatboy13's Avatar
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    Default Re: jzz30 1jz mapsensor swap to a 2jz m/sensor??

    there was no difference in them IIRC... so no point in doing it
    Quote Originally Posted by MR 1JZ
    watching a bunch of supraforums members try to debate something technical is like watching a bunch of retards try to fuck a doorknob...

  4. #4
    Xistant
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    Default Re: jzz30 1jz mapsensor swap to a 2jz m/sensor??

    Quote Originally Posted by fatboy13
    there was no difference in them IIRC... so no point in doing it
    as above
    both the same,
    just appearance they are differant.

  5. #5
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    Default Re: jzz30 1jz mapsensor swap to a 2jz m/sensor??

    ok Thanks guys, did a search and found the post on mapsensors.

    i have another question now. what can i replace my map sensor with to over come boost cut without using an aftermarket ecu?

  6. #6
    Toymods V8 Member Too Much Toyota CrUZida's Avatar
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    Default Re: jzz30 1jz mapsensor swap to a 2jz m/sensor??

    Have a search for "fuel cut defender"

    Its fuel cut you experience, not boost cut or ignition cut.
    Peewee
    1985 MZ12 Soarer - 1UZ Powered
    2013 86 GTS

  7. #7
    Toymods Pimp Chief Engine Builder Norbie's Avatar
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    Default Re: jzz30 1jz mapsensor swap to a 2jz m/sensor??

    Yep, lots of products available which do what you want. No need to touch the MAP sensor.

    I actually have a spare TRL VFCC if you're interested. No longer need it as I've converted to standalone management.

  8. #8
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    Default Re: jzz30 1jz mapsensor swap to a 2jz m/sensor??

    ok how much posted to melb. its it ready to plug in?

    Also any body used jaycars fuel cut defender if so is it any good?

  9. #9
    Junior Member Backyard Mechanic
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    Default Re: jzz30 1jz mapsensor swap to a 2jz m/sensor??

    Have heard ok things bout the jaycar fcd, downside is that you cant set the voltage clamp.
    From memory the jaycar unit clamps voltage at 3.9 v

  10. #10
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    Default Re: jzz30 1jz mapsensor swap to a 2jz m/sensor??

    so is that a bad thing for a 1jz. i would make it run to lean will it?

  11. #11
    Junior Member Backyard Mechanic
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    Default Re: jzz30 1jz mapsensor swap to a 2jz m/sensor??

    All depends on what boost you intend to run. The thread on map sensors has a table with boost and associated voltage. Any thing over say 15psi i would want a clamp of 4-4.1 to be safe. As with any fcd or ecu mods its always a good idea to throw it on a dyno and check the afr's.

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