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3.4 - 4.0L swap

Discussion in '1st Gen. Tacomas (1995-2004)' started by chazjb, Sep 30, 2010.

  1. Sep 30, 2010 at 11:23 AM
    #1
    chazjb

    chazjb [OP] Well-Known Member

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    Hey guys looking to pute the 4.0L in my 97 tacoma that already has the 3.4L. does anyone know if it is possible or know anyone that has done it?
     
  2. Sep 30, 2010 at 3:24 PM
    #2
    derekp

    derekp giddy up!

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    That is an interesting question...Not sure why you'd want to other than "why not?"
    I know the 3.4 is a proven motor, I don't know enough about the 4.0.
    Anything can be done though. Depends on how deep you pockets are. Other things to consider are transmission, computer, etc...
     
  3. Sep 30, 2010 at 3:28 PM
    #3
    xSpyderguyx

    xSpyderguyx Well-Known Member

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    Take my advice. it wouldnt be worth it, you wouldnt really notice the power gain. the gas mileage would be horrible, especially if you ever decide to lift or get bigger tires.

    Dont do it, the power gain wont be good enough.

    If you want substantial gain in power. Do these things:
    -Exhaust
    -Take your CATS off
    -Deckplate Mod
    -Use Premium Gas

    and if you really want to go all out. SUPER CHARGE
     
  4. Sep 30, 2010 at 5:21 PM
    #4
    chazjb

    chazjb [OP] Well-Known Member

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    hey guys i was just looking around and i guess the other sources were wrong. i was told the 4L makes 280hp which would be a gain of 90 horse but the 4L only makes 236hp... not 280. oh well. i have already done all the things you mentioned but i didnt see any difference with the dec plate mod, exhaust or premium gas... at least not a noticable difference. and in my state i have to have cats otherwise i wount pass DEQ. so i guess my other option is a supercharger but i would be looking at around $2500 for that :(
     
  5. Sep 30, 2010 at 5:25 PM
    #5
    steve o 77

    steve o 77 braaap

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    If you want 4.0L power get a super charger.
     
  6. Sep 30, 2010 at 5:25 PM
    #6
    shampoop

    shampoop Well-Known Member

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    if you're gonna do a non bolt-in swap, it might as well be a gen III chevy v8. 5.3, 5.7 etc. might be too long though.
     
  7. Sep 30, 2010 at 5:33 PM
    #7
    Ridgerunner

    Ridgerunner Well-Known Member

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    Hell yes get a nice Lexus V8 in there if youre going to suffer the duration of a swap!
     
  8. Sep 30, 2010 at 5:41 PM
    #8
    jtav2002

    jtav2002 Kenny Fuckin Powers

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    Basic exhaust mods and premium gas won't give you any noticeable gain really unless you have a really sensitive butt dyno.
     
  9. Sep 30, 2010 at 5:42 PM
    #9
    Project.paradigm

    Project.paradigm Well-Known Member

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    $2500 on a supercharger is a lot less money than dropping in a 4.0.
     
  10. Sep 30, 2010 at 5:52 PM
    #10
    Monkeysuncle

    Monkeysuncle My Cat's breath Smells like Cat Food

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    I say do it. More displacement, it's out of a Yota, I havent seen it done on here yet, and we can all learn something. Just be very specific on the things you do. And for all that say a 4.0 is no better than a 3.4 on power then by all means please swap a 3.0 v6 into your 3.4 or 4.0 and then talk about power gain.
     
  11. Sep 30, 2010 at 6:00 PM
    #11
    Monkeysuncle

    Monkeysuncle My Cat's breath Smells like Cat Food

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    I know it's not plug and play, very specific tuning for the fuel to spark ratio, timing/fuel maps, but it would be nice to see
     
  12. Sep 30, 2010 at 11:01 PM
    #12
    shampoop

    shampoop Well-Known Member

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    screw having more than one camshaft. Pushrod ftw! Huge displacement from a tiny engine. This is why OHV engines are win.
    [​IMG]
     
  13. Sep 30, 2010 at 11:08 PM
    #13
    Krazie Sj

    Krazie Sj Resident Jackass

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    We have two guys up here. One had a 3.4L supercharged, and the other had a stock 4.0L.

    I believe the builds of the vehicles were similar, the 4.0L was faster than the 3.4L.

    And putting a Supercharger on a 4.0L will utterly ruin the 3.4L no matter what you do to it.
     
  14. Oct 1, 2010 at 6:52 AM
    #14
    tacosuprem

    tacosuprem Well-Known Member

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    X2
     
  15. Oct 1, 2010 at 7:10 PM
    #15
    boss1041

    boss1041 Well-Known Member

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  16. Oct 1, 2010 at 7:32 PM
    #16
    Its_Taco_Time

    Its_Taco_Time Well-Known Member

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    Wrong. You add about 40 hp and 40 torque, and the gas mileage is better on the 4.0 (If you were to drop it in the lighter truck). All the mods you listed will add MAYBE 5-10 wheel horsepower, except the supercharger :D

    http://www.kbb.com/compare-cars/spe...cab-227153-vs-1997-toyota-tacoma-xtracab-8494
     
  17. Oct 1, 2010 at 7:36 PM
    #17
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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  18. Oct 1, 2010 at 7:37 PM
    #18
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    FTW, Eh?? Its alot harder to get power out of an OHV engine vs. an DOHC 4v per cyl. engine. You gotta let it breath to make power.
     
  19. Oct 1, 2010 at 7:37 PM
    #19
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    This ^^^
     
  20. Oct 1, 2010 at 7:41 PM
    #20
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    LOL!! Thats also a 7 litre engine! FWIW, I belive chevy has a Geni in a bottle for their engineers.....they seem to make the most hp out of a push rod engine I have seen....
     
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