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Thread: 7G DOHC headswap.... The easy way! ???

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  1. #241
    Quote Originally Posted by mko View Post
    "my name is detective Carter!

    Do you speaka' any English?"


    C'mon dude at least make some sense!
    What i am trying to say is when i go to use the 2g ECU will it be Plug And Play Or NO
    you get that now

  2. #242
    Senior Moderator DOHCstunr's Avatar
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    no
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  3. #243
    Moderator mko's Avatar
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    Quote Originally Posted by XXL4G64 View Post
    What i am trying to say is when i go to use the 2g ECU will it be Plug And Play Or NO
    you get that now
    it has been said millions of times before, but ill make it clear for you.

    If your Galant was made btween 94-95 you can use 1g turbo ecu
    If your Galant was made in 96-98 you can use 2g turbo ecu.

    Both Eclipse ECUs use coil packs instead of distributor. If you swap to any Eclipse ECUs youll need to get rid of distributor.
    God created turbo lag to give the v8's a brief moment of hope.



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  4. #244
    TGC Regular bmore303's Avatar
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    The 1g ecu is not a closer swap. Regardless of whether you use a 1g or 2g ecu, you're gonna be in a world of rewiring with a 94-95. The 7Gb is the only remotely close swap, being that there's only 4 wires to redo when swapping to a 2g ecu.
    RIP
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    Part Out Coming Soon

    In search of 2G 3000GT VR4

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  5. #245
    Senior Moderator DOHCstunr's Avatar
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    Stickied.
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  6. #246
    Experienced TGC Member Blue Ice's Avatar
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    Quote Originally Posted by XXL4G64 View Post
    What i am trying to say is, "when i go to use the 2g ECU, will it be Plug And Play Or NO"?
    you get that now?
    you're problem is you need to use punctiation when you post. Allow me to elaborate;
    ? = at the end of a question
    . = at the end of a statement
    ! = when you're really excited about something

    Start with those, and then when you've mastered that we'll talk about using quotations"", commas,, and parenthesis( )

    Quote Originally Posted by bmore303 View Post
    The 1g ecu is not a closer swap. Regardless of whether you use a 1g or 2g ecu, you're gonna be in a world of rewiring with a 94-95. The 7Gb is the only remotely close swap, being that there's only 4 wires to redo when swapping to a 2g ecu.
    7gB will work will all 7g's.

    actually a few more than 4 wires, and it depends on how stock you want the setup to be.
    you'll have to add the wires for the power transistor ~ 6
    wires for the coil pack 2 or 3
    wires for the CAS = 4

    if you go with a 2g ecu and a 1g CAS you'll need to do the Magnus 1g in a 2g
    (which requires you to re arrange injector wires at the ecu, change the phase at the coil pack, and change the spark plug wire setup)

    while trying to get my swap to run better i've been looking at the vacuum hoses.
    The N/A 4g63 runs vacuum straight from the manifold to the FPR.
    4g63T's use a fuel pressure selonoid between the manifold and FPR.


    This all sounds like a lot...
    but is actually pretty straight forward if you have the parts in front or you. I suggest to pull the wiring harness completely and add the additional wires needed. ( just not the way i did it with all the wires everywhere)

  7. #247
    Senior Moderator DOHCstunr's Avatar
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    left out the wire for the knock sensor and the boost control solenoid
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  8. #248
    Experienced TGC Member Blue Ice's Avatar
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    Quote Originally Posted by DOHCstunr View Post
    left out the wire for the knock sensor and the boost control solenoid
    Doah!!
    knock sensor +2
    boost conrtrol Selonoid + 2 (unless you go with a manual boost controller, or other aftermarket controller)

    both of these have one wire going to the ecu and one to a 12v source ( which will be just about any solid red wire) inside the harness

  9. #249
    Experienced TGC Member mysticj's Avatar
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    I believe there will be a lot of boosted 7G's next year.
    94 Galant GS: 4G67 head, 1G IM, Evo 8 TB, DeltaCam 272/264 Cams, Test Pipe, OE Avenger V6 60mm catback w/muffler, modified Outlander header, DIY COP setup, B/S delete, 315cc injectors, AEM UEGO WBO2, Black case 3G ECU

    1994 GS FYI
    DSM/CSM Manuals

  10. #250
    Senior Moderator DOHCstunr's Avatar
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    there damn well ought to be. I'm sick of this shit.

    sohc n/a FTL!!!!!
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  11. #251
    So let me ask this 1 think do you think? we would get close to the 160 HP.

  12. #252
    Senior Moderator DOHCstunr's Avatar
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    Quote Originally Posted by XXL4G64 View Post
    So let me ask this 1 think do you think? we would get close to the 160 HP.
    highly doubt it. although you'd have the superior airflow characteristics of the DOHC motor, and the performance cam options, as well as afttermarket support(valve springs, retainers, intake manifolds, etc etc)

    You would not have the superior fuel maps, or timing maps/electronic advance that is provided by the GS or 2g turbo ecu.

    However I can garuntee you will see a wider powerband than before. it will make more power sooner, and over a wider range of RPMs than your SOHC setup does.
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  13. #253
    Kool im give my guy a call at the shop and tell him to do over the head with the hks cams Stage 1
    Last edited by XXL4G64; 10-26-2008 at 11:12 PM

  14. #254
    Quote Originally Posted by XXL4G64 View Post
    Kool im give my gay a call at the shop and tell him to do over the head with the hks cams Stage 1
    if you are going to give your gay a call you have a problem.

    Ive been thinking about this thread and came up with some ideas on how to do it, just need a donated dead distributor to try something out.

    1996 galant s
    finishing up my 2.4L DOHC, 10.5:1, precision sc60, meth injected MONSTER.

  15. #255
    Senior Moderator DOHCstunr's Avatar
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    its pretty easy, all you will need is a head gasket, some headstuds(because you can't reuse your stock ones), a head and an intake manifold, the DOHC timming belt, and lastly the distributor.
    I bet under my wrenches.... i could do this swap in under 3 hours easy.
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  16. #256
    You are here entirely tooo much!! 4-G-rim's Avatar
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    You would also have to plug these oil drain openings also on the 4G64 block.

    1991 Galant VR4 1948/2000_________1996 Galant "S" 5 speed 2.4L turbo

  17. #257
    Senior Moderator DOHCstunr's Avatar
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    hmmmm. I have always been curious....
    if the 4g64 dohc block doesn't have those drain holes..... .and the dohc 4g64 head doesn't have those drain holes..... then why would the 4g64 dohc headgasket have them?
    I.E. if the gasket doesn't have those holes.... then you wouldn't need to blockoff anything since the gasket already does it.

    Hmmm. i wonder. Maye I'll go out to the garage and look at the head in my GS headswap, to see if the holes are in those locations.
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  18. #258
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    ^ Good ass point, never thought about it that way.

  19. #259
    TGC Regular bmore303's Avatar
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    Some areas of the headgasket only slightly overlap those drain holes. I think it's more of a safety issue to ensure that the gasket seals perfectly.
    RIP
    1995 7G 4G64 / 63T DOHC Turbo
    Part Out Coming Soon

    In search of 2G 3000GT VR4

    Daily driving
    Dat '08 Cobalt Coupe

  20. #260
    Experienced TGC Member mysticj's Avatar
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    My concern with this swap is the ECU management. For 94-95, there is the 95 Cali spec eprom ECU but for the 96-98, what ECU to use other that the stock one?
    94 Galant GS: 4G67 head, 1G IM, Evo 8 TB, DeltaCam 272/264 Cams, Test Pipe, OE Avenger V6 60mm catback w/muffler, modified Outlander header, DIY COP setup, B/S delete, 315cc injectors, AEM UEGO WBO2, Black case 3G ECU

    1994 GS FYI
    DSM/CSM Manuals

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