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Thread: 4AGE 16v MAP>ex-carbed car.

  1. #1
    Senior Member
    Join Date
    Oct 2011
    Name
    Tore Daniel
    State
    Norway
    Location
    Norway
    Country
    Norway
    Posts
    105

    Default 4AGE 16v MAP>ex-carbed car.

    Anyone got experience doing JDM 4AGE 16v MAP into previously carburetted engine equipped cars who can give some pointers?

    Here is what I DO know:
    1. Circumvent external voltage regulator
    2. Simply connect same things on 16v Coil as they were on the 2T Coil.
    3. Black-White starter signal wire going to OEM 2T starter can be spliced and connected to the pin for the 4A-GE Firewall loom Black-White starter signal.
    4. Ground Engine block to Chassis
    5. Ground Engine head to Chassis.

    Here is what I have done:
    Circumvented external voltage regulator.

    Here is where speculation starts:
    The way I am thinking of doing it, if I find the correct pinout for the Body>ECU plug is to simply:
    ECU>4-pin Relay>Fuel Pump
    IGN>4-pin Relay>ECU Injectors
    IGN>4-pin Relay>ECU Ignitor
    12v Battery Constant>7,5A Fuse>ECU
    IGN>ECU ON-Mode

    This I do not know for sure but I am ASSUMING either works best:
    Option A: Use old 12v+>Coil on 16v Coil.
    Gnd Coil>Chassis

    Option B: IGN>Relay>12v+ on 16v Coil
    Gnd Coil>Chassis

    Or is Coil already Grounded to the Intake along with Injectors, ECU and Fuel pump?

    I am questioning the venerable 4age>(x)e70 guide because a lot of the vital links to pinouts etc in it are now giving 404 errors and are no longer up, so it`s not exactly kept up to date.

    Does any kind soul out there have solid information?
    Last edited by Tore; 31st July 2014 at 12:12 PM.

  2. #2
    Senior Member
    Join Date
    Oct 2011
    Name
    Tore Daniel
    State
    Norway
    Location
    Norway
    Country
    Norway
    Posts
    105

    Default

    Bah, it seems my brain has been at high gear for too long this summer.
    I chose to do the swap outside, in record hot regional temperatures, no shade, must have ended up frying my own internal COR, lol!

    I`ve read the 4AGE>AE71/AE86 thread a few more times, this time putting my brain into low gear and grinding through it, and understand heckuva lot more now than I did earlier today.

    Ignore this topic and punish me as you see fit!
    Last edited by Tore; 31st July 2014 at 12:52 PM.

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