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Engine Ported 1ZZ Header: Pics and Dyno!

Discussion in 'Powertrain' started by DjFrOsT, Apr 29, 2005.

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    DjFrOsT New Member

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    Ported 1ZZ Header: Pics and Dyno!

    this was posted on Matrix Owners:

    "Just to let you guys know, porting a 1ZZ header DOES gain a signifcant amount of power, just like porting a 2ZZ header. Check out this GT header I ported recently:

    [IMG]
    [IMG]
    [IMG]
    [IMG]
    [IMG]

    And the before and after dyno (on an auto Celica GT:(
    [IMG]
    (the peak numbers are off since the dyno was done in two gears, and the peak numbers show the power between shifts)

    More info can be found here:
    http://www.newcelica.org/forums/showthread.php?t=169021&page=1

    If anyone needs a header ported, check out this thread:
    http://www.matrixowners.com/forum/viewtopic.php?t=37929

    I'll be able to port one 1ZZ header at a time, but I'm still waiting for the 2ZZ headers (regular AND EGR ) to come in."

    Here is the link to the thread on MatrixOwners: http://www.matrixowners.com/forum/viewtopic.php?p=560952#560952

    what do you guys think?
    DjFrOsT, Apr 29, 2005
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    Laz Z Kay "n00B, be kind"

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    Anyone can tell me how to do it??
    Laz Z Kay, Apr 29, 2005
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    DjFrOsT New Member

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    click on the NewCelica link...
    DjFrOsT, Apr 29, 2005
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    Phozenstone New Member

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    thats a pretty significat loss in torque tho...
    Phozenstone, Apr 29, 2005
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    DjFrOsT New Member

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    this was in the thread:
    DjFrOsT, Apr 29, 2005
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    Tamago New Member

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    cool let's see a non auto dyno :)
    Tamago, Apr 29, 2005
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    DjFrOsT New Member

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    i'm gonna try it...but i'm gonna wait till my next pay check... :D
    DjFrOsT, Apr 29, 2005
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    rainbow_star New Member

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    woow! Impressive! :eek:
    I'll try to do my when I have $$$ and time this summer!
    But that will weaken the structure of the header right?
    rainbow_star, Apr 29, 2005
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    Tamago New Member

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    doesn't look like it.. the grinding isn't on the welds, just on the extra casting metal..
    Tamago, Apr 29, 2005
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    Dr Tweak Mad Scientist

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    No it didn't, look at the graph rather than the numbers. Very interesting... this get's me more interested in making headers for us. Hmmm...
    Dr Tweak, Apr 29, 2005
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    renfield90 New Member

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    The guy who did this will be getting a manual tranny swap soon, and then he'll dyno again.
    renfield90, Apr 29, 2005
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    Dr Tweak Mad Scientist

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    Heck, I have a stock header at home right now. Anybody want a port job? :D
    Dr Tweak, Apr 29, 2005
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    Dr Tweak Mad Scientist

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    How much do people spend on CAIs, that give maybe 3-4 hp?
    Dr Tweak, Apr 29, 2005
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    lonelydriver New Member

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    you can port it yourself. i remember a guy on 2003corolla.org that did it with a dremel. he said he really felt a gain in performance
    lonelydriver, Apr 29, 2005
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    Dr Tweak Mad Scientist

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    I think I'll get into this.

    Okay, who wants a ported 1ZZ header for '98 - '02s... I've got one in stock right now... er... I will next week!
    Dr Tweak, Apr 29, 2005
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    renfield90 New Member

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    If you read the newcelica.org thread, the cost is rather cheap compared to a CAI. There's a $100 refundable core fee (you get it back when you get your header back, or something...but you do get it back), and I think about $60 for the actual porting job, and a little extra for shipping. Compared to the cost and gains of other 1ZZ headers, this looks like the way to go for now.
    renfield90, Apr 30, 2005
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    rainbow_star New Member

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    Yes, it's so cheap, just $60 + shipping. So maybe $150 in total max I guess.
    $150 for 5whp+5wtq is good. Better than getting a CAI imo.
    rainbow_star, Apr 30, 2005
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    statik New Member

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    Thats great news. I would definatly do this myself. It doesn't take much to grind metal.
    statik, May 1, 2005
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    Barnacules 100101101011011

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    This looks like fun but I'm planning to go turbo eventually.
    Barnacules, May 1, 2005
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    statik New Member

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    statik, May 17, 2005
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