'Z' - Dumps on the Dyno..........

Discussion in 'Technical' started by Street to Strip, Sep 10, 2008.

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  1. rob260

    rob260 Administrator Staff Member

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    Flow test isn't going to tell you alot about performance under running conditions...
     
    rob260, Sep 11, 2008
    #41
  2. WazTTed

    WazTTed Grease Monkey

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    for the price of 3" vs the 2.5s these days. there really isnt any reason NOT 2 do 3"


    3" 5 bolt sz dumps $570 + Shipping

    SZ 2 ?" 5-Bolt Stainless Steel 475

    why wouldnt u go for the 3"... when the sz dumps were first released they were selling at 895 + shipping!
     
    WazTTed, Sep 11, 2008
    #42
  3. Vizard

    Vizard Active Member

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    are you talking about the ones on sts site that are 690$ delivered?

    edit : so in short, this thread is saying, the bigger the turbo you have the better gain you will get from a bigger dump pipe right? so then putting a 3" dump pipe on a tt zed that has stock turbos would not help much? but it would still help more than a 2.5" dump setup?
     
    Last edited: Sep 11, 2008
    Vizard, Sep 11, 2008
    #43
  4. Street to Strip

    Street to Strip Account Disabled

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    It's.......

    .......all good and OK:) Nothing like a good positive and constructive robust debate:D It has been pointed out to me that I obviously made a HUGE mistake, by not realising that some folks would not know that the AMSzstore Canada, do not have a workshop here in Oz:D I stand very humbly reprimanded;) That's twice I have been in trouble today, and the day aint over yet:eek:
     
    Street to Strip, Sep 11, 2008
    #44
  5. WazTTed

    WazTTed Grease Monkey

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    nooby speaks!! they do make a big difference even on stock turbos. search tt.net

    or how about local member eddie .

    274kws on stock turbos and injectors with dual 3" system and a tune with 14psi ....


    LOCK THIS THREAD STS .. its going nowhere !
     
    WazTTed, Sep 11, 2008
    #45
  6. pmack

    pmack Member

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    Ha Ha Ha

    Well best you start another thread ! Intercooler positioning is another good one ?


     
    pmack, Sep 11, 2008
    #46
  7. Vizard

    Vizard Active Member

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    ok well now i know! no need to get so angsty, us noobs make you smart people look....well...smart!
     
    Vizard, Sep 11, 2008
    #47
  8. WazTTed

    WazTTed Grease Monkey

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    haha go steal some granmas hand bag and buy my exhaust allready !!
     
    WazTTed, Sep 11, 2008
    #48
  9. Vizard

    Vizard Active Member

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    i need to buy new dumps / fronts first! :(

    edit : any 3" dumps with 4 bolt config?
     
    Last edited: Sep 11, 2008
    Vizard, Sep 11, 2008
    #49
  10. WazTTed

    WazTTed Grease Monkey

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    yup check on specialty z websight 4 bolt 3"
     
    WazTTed, Sep 11, 2008
    #50
  11. elvir85

    elvir85 becir

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    one question dose the car have to have the sensor that is located just after the cat,
     
    elvir85, Sep 12, 2008
    #51
  12. r33k

    r33k 'I reek of Englishness'

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    I'd like to see pictures of the 4 bolt 3" dumps...
     
    r33k, Sep 12, 2008
    #52
  13. SeanK

    SeanK Stateside Visitor

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    SeanK, Sep 12, 2008
    #53
  14. r33k

    r33k 'I reek of Englishness'

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    dude, that's the 5 bolt. :bash:
     
    r33k, Sep 12, 2008
    #54
  15. SeanK

    SeanK Stateside Visitor

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    Hmm yes. Only 2 drinks into my coffee this morning. Can't count. :sorry:
     
    SeanK, Sep 12, 2008
    #55
  16. Street to Strip

    Street to Strip Account Disabled

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    No........

    ..............Cats were present during either Dyno Test, AMSZstore informed me this morning;)
     
    Street to Strip, Sep 12, 2008
    #56
  17. WazTTed

    WazTTed Grease Monkey

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    WazTTed, Sep 12, 2008
    #57
  18. maTTz

    maTTz 500 Club

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    Here's a golden tip to clear up any noob misunderstandings:
    Downstream of a turbo, bigger is better

    if you want to get more technical, then I'll add the following caveat: however large step increases aren't optimal, you want a tapered increase - the purpose of this is because you want to decrease the pressure difference between the outlet of your turbine housing and atmospheric pressure

    back to the noob's, if you can get 3 inch then go for it, not only is it not going to hurt if you have a small system, but if you go large in the future, then it's future proof :zlove:
     
    maTTz, Sep 12, 2008
    #58
  19. badxtc

    badxtc kirby's bitch

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    could not have put it better myself ,, good man ...

    bigger is NOT always better , in many cases
     
    badxtc, Sep 12, 2008
    #59
  20. vbevan

    vbevan Active Member

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    That's not a great argument. Most other turbo cars only have single exhausts...even though I agree that after the turbos it's better. Though a negative is less ground clearance.
     
    vbevan, Sep 12, 2008
    #60
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