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How much hp can a d16z6 tranny hold?

Discussion in 'Civic and del Sol - EG and EK' started by thatcivic96, Apr 1, 2009.

  1. thatcivic96

    thatcivic96 New Member

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    What the title says, I am wanting to do a mini me swap(d16y7 block y8 head) fully built. With around 13-15psi daily and 25-30psi racing. I am wanting to do a Z6 tranny, but how much horsepower can it hold stock? With a stage 4 clutch.
     
  2. AHHVTEC

    AHHVTEC Well-Known Member VIP

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    hit or miss, you dont have any other choice than to use that trans, its just as strong as the other d series trans. ive saw them bust at 150hp and then again ive saw some with 300
     
  3. thatcivic96

    thatcivic96 New Member

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    What all will I need to do to strengthen it to hold 400-500hp?
     
  4. FLounder

    FLounder power hungry VIP

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    good luck kid.... you have lofty goals lol
     
  5. thatcivic96

    thatcivic96 New Member

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    It's possible with a fully built D series but thanks for being a smart @$$.
     
  6. AHHVTEC

    AHHVTEC Well-Known Member VIP

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    its possible, but more less this will be a full drag car with a d series with that kind of hp
     
  7. thatcivic96

    thatcivic96 New Member

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    Full drag set-up, but still daily driven with the boost tuned down xD
     
  8. FLounder

    FLounder power hungry VIP

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    as far as i know theres not much you can do to beef up your d series transmission. just have a spare one ready, and drive it like a grandma unless you are at the track.
     
  9. 97hatch

    97hatch ?

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    the d16y8 is the best of all D series trans it has diffrent shift forks that are stronger as far as upgrading it to take more power you can look into installing a quaife and there are also carbon syncros available for it along with custom final drive ratios
     
  10. thatcivic96

    thatcivic96 New Member

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    Okay, so for power a y8 tranny but isn't a Z6 tranny geared better?
     
  11. josh_crewdson@y

    josh_crewdson@y New Member

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    y8's and z6's are very close if not exactly geared the same. good luck pushing 4-500 horse... sleeve the block.. d's are usually only good for 250-300hp after that you get into longetivity problems... go B...
     
  12. TurboRex90

    TurboRex90 Golden EG

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    Im not saying they arent great trannys, but i have a stage 5 competition 4 puck clutch, only making 235whp, 190 torque and i threw a rod inside my tranny straight threw it.. nice 2 inch whole threw the bell housing and out the other side. Great times. Make sure if you use the Z6 trans, get LSD, and a quaife and have a back up trans ready.

    I've seen D's push well over 500whp on a stock internals. Granted probably wont last long but its both possible and if was built would be able to do it all day long. D series engines utilize more torque then any other honda engines. Ive seen a single cam run 9 seconds. Built by a shop.. cant remember the name off hand. but you get the idea.
     
    Last edited: Apr 2, 2009
  13. 97hatch

    97hatch ?

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    no d has ever made 500 on stock internals a B motor has trouble doing it hell my D16Y7 streches the head bolts and it only makes 245 at the wheels
     
  14. Briansol

    Briansol Admins Admin VIP

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    the axels are the weak point. you'll snap axels and diffs before the tranny itself.
     
  15. thatcivic96

    thatcivic96 New Member

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    I am not going to run Stock internals, planning on full port polish sleeved, cammed, cam gears, light weight pullies the whole 9 yards, not gonna skimp on anything. So the weak part of build will be cv joints and tranny?
     
  16. Briansol

    Briansol Admins Admin VIP

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    the entire axel, due to not being equal length, are inheritnly weak.
    and the open differential isn't strong either.

    a quaiffe and a set of driveshaftshop or raxels axels ($2k alone) will solve the problem.
     
  17. TurboRex90

    TurboRex90 Golden EG

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  18. AHHVTEC

    AHHVTEC Well-Known Member VIP

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    and neither of those are stock, the most ive saw on a d series is 700+whp
     
  19. TurboRex90

    TurboRex90 Golden EG

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    Last edited: Apr 3, 2009
  20. Matts96HB

    Matts96HB . Moderator VIP

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    No, don't go B. It'd be backpedaling at this point. Stick with your D, and sleeve the damn thing.

    To the OP: I believe you can get new guts for the transmission from MFactory, MFactory Close Ratio Gears

    If you want different ratios, call them up and talk to them, they're pretty cool.
     
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