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Thread: Medusa build

  1. #26
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    Re: Medusa build

    i see.. so the 3gee accords with the carbs have taller gears, what other gearboxes fit if i can't find one?

    i'm seeing about the Spec kit because it comes with the flywheel and we might be able to get it at wholesale cost.. we've had good luck with them on about everything we've installed them on, except Cadillac CTS-V..

    centerforce is another option along with ACT



  2. #27
    3Geez Veteran MessyHonda's Avatar
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    Re: Medusa build

    well the 86-89 accord gearboxes have the same gears but the only difference is the carb has a 3.8 final and the fuel injected ones have a 4.0.
    In the prelude SI boxes 1-3 gears are the same but 4-5th gears are a bit shorter with the 4.0 final

    I had a ACT in my coupe and it worked good. the car made around 160whp.

    1989 Honda Accord LX-i
    B18c1 swap since 7/2011
    175whp and 132tq
    Redzone tuned

  3. #28
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    Re: Medusa build

    speaking of clutches, my dad knows some people at McLeod. should see if they can do somehting or have something already

  4. #29
    3Geez Veteran AccordEpicenter's Avatar
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    Re: Medusa build

    i thought prelude tranny had LXi/SEi final drive and shorter 3rd 4th and 5th gears? I need a prelude box because with the LX/DX trans on 24.5" tires at 7250 or 7500rpm im at 150+mph in 4TH GEAR! Anywho, the build looks like its coming along great! Id rethink the intake manifold though, its got very little plenum area and the runners are holy shit long. Other than that everything else looks great. Id reccomend a clutchnet dual diaphram 6 puck sprung or unsprung.
    429whp 362wtq A20 TURBO. A20T>*

  5. #30

    cygnus x-1's Avatar
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    Re: Medusa build

    Quote Originally Posted by AccordEpicenter View Post
    Id rethink the intake manifold though, its got very little plenum area and the runners are holy shit long.

    Holy shit long = torque monster. And that's fine since the A engines aren't really made for high RPMs anyway.

    C|

  6. #31
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    Re: Medusa build

    With the intake im thinking it would be awesome for when boost is introduced.. equal length runners right off the tb.. not to mention huge weight difference.. like less than half the weight of an original a20a3 intake

  7. #32
    3Geez Veteran AccordEpicenter's Avatar
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    Re: Medusa build

    i just think it needs plenum area. The long runners arent a big deal, but im thinking adding some plenum behind the throttle body would really really help power across the board. FWIW Im using an AEBS Typhoon intake manifold for a B18C5/B16A specifically because its got a decent plenum volume and the runners are wayyyy longer than say a victor X. It made 362ft lb at like 5K but I have to check the dyno sheet. Either way, most B16/B18 Builds have a hard time making well over 300ft lb until they are WAYYYYY over 500whp
    429whp 362wtq A20 TURBO. A20T>*

  8. #33
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    Re: Medusa build

    i had thoughts of the b series intakes before, my dad came up with idea for the calais intake from seeing a few on the miatas running turbo kits.

    the old engine did ok for being run through a slush box and about everything stock except for the cam and ignition box..



    i just cant wait to get the new engine in and everything ready to go for the boost and give it another shot

  9. #34
    SEi User obdriver6's Avatar
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    Re: Medusa build

    Oh wow, how did I miss this! The build looks great!


    1989 Honda Accord LX-I 300K+
    Build Thread

  10. #35
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    Re: Medusa build

    thanks, it's still coming along.. right now i'm focusing on getting the manifold made and new lines ran for oil and coolant. then dropping it in for break in.

    been missing the car along with it's stereo and most of all, the gas mileage(compared to a worn out four wheel drive bronco that gets almost 12-16mpg on a good day)..

  11. #36
    SEi User obdriver6's Avatar
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    Re: Medusa build

    What do you have in mind for the manifold?


    1989 Honda Accord LX-I 300K+
    Build Thread

  12. #37
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    Re: Medusa build

    thought of using a log, but after reading the pros and cons of each type, i'm going with a tube type..that and it will have a similar look to the intake manifold, but with a turbo bolted on

  13. #38
    3Geez Veteran gfrg88's Avatar
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    Re: Medusa build

    -Gio
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    My E85 Turbo Build
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    5280FEST
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  14. #39
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    Re: Medusa build

    @ Gio

    yes, very much like what i want to do for the manifold..

  15. #40
    SEi User obdriver6's Avatar
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    Re: Medusa build

    Quote Originally Posted by gfrg88 View Post
    I was thinking the same thing! lol


    1989 Honda Accord LX-I 300K+
    Build Thread

  16. #41
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    Re: Medusa build

    the way we want to do mine is close, but a little shorter..

  17. #42
    3Geez Veteran gfrg88's Avatar
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    Re: Medusa build

    What are your power goals?
    -Gio
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    My E85 Turbo Build
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    5280FEST
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  18. #43
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    Re: Medusa build

    Anywhere between 225-300hp with atleast 200-250ft-lbs would be nice...

  19. #44
    3Geez Veteran MessyHonda's Avatar
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    Re: Medusa build

    yeah im sure with a good tune you will reach your power goal

    1989 Honda Accord LX-i
    B18c1 swap since 7/2011
    175whp and 132tq
    Redzone tuned

  20. #45
    3Geez Veteran AccordEpicenter's Avatar
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    Re: Medusa build

    id say 12-14psi boost should do the trick. I was making 285whp on 14psi which id say is best case scenario. I would think you would be at at least 230whp on 14psi boost tho with the tq to match. This is doable on pump gas as long as your pistons are stock compression or less...
    429whp 362wtq A20 TURBO. A20T>*

  21. #46
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    Re: Medusa build

    The pistons i have in are 9:0:1 b18c pistons

  22. #47
    3Geez Veteran lostforawhile's Avatar
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    Re: Medusa build

    I put up the link to this thread in the three geez facebook page,now maby some of the morons there who think you can only swap engines on this car,will see a real build and what can be done with the A20

  23. #48
    3Geez Veteran gfrg88's Avatar
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    Re: Medusa build

    Quote Originally Posted by fuzz86lude View Post
    The pistons i have in are 9:0:1 b18c pistons
    you're gonna need a lot of boost. and are gonna have major turbo lag!
    -Gio
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    My E85 Turbo Build
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  24. #49
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    Re: Medusa build

    the turbo lag could be fixed in a way that would make for some extreme boost levels...but i'm not going that far...

    i know i'm going to have lag for sure, but when it gets spooling it'll be worth it..

  25. #50
    3Geez Veteran lostforawhile's Avatar
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    Re: Medusa build

    Quote Originally Posted by fuzz86lude View Post
    the turbo lag could be fixed in a way that would make for some extreme boost levels...but i'm not going that far...

    i know i'm going to have lag for sure, but when it gets spooling it'll be worth it..
    that would be fine for racing, but having that much lag is going to be a total pain in the ass on the street

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