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Thread: Is there a diff between a p72 head and p73 head

  1. 04-08-2010, 01:53 AM #1
    hkwe36
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    Default Is there a diff between a p72 head and p73 head

    Besides one being jdm and the other usdm. Any other changes. If so which is better and why. Thanks.

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  2. 04-08-2010, 07:34 AM #2
    Catnip
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    Quote Originally Posted by hkwe36 View Post
    Besides one being jdm and the other usdm. Any other changes. If so which is better and why. Thanks.
    http://www.honda-tech.com/showthread.php?t=217469

    PR3 = B16/ITR head, P72 = GSR head.

    PR3 (ITR/B16) left, GSR (P72) right.


    PR3 is supposed to flow better... but if you're getting port work done anyways...
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  3. 04-19-2010, 07:16 PM #3
    hkwe36
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    if i have a full jdm gsr motor. should the head say P73 or P72. thanks.

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  4. 04-19-2010, 08:18 PM #4
    RBS
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    72 is gsr, 73 is ITR.

    no b16 is stamped 73, only pr3




    and the head of ANY gsr would be stamped p72
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  5. 04-19-2010, 09:28 PM #5
    Barefoot
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    Quote Originally Posted by Purple Power View Post
    72 is gsr, 73 is ITR.

    no b16 is stamped 73, only pr3




    and the head of ANY gsr would be stamped p72
    dat right

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  6. 04-19-2010, 10:20 PM #6
    Catnip
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    I guess my post was confusing.
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  7. 04-19-2010, 10:53 PM #7
    JGilbert312
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    Here is a thread to help a little.

    http://www.honda-tech.com/showthread.php?t=611018
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  8. 04-19-2010, 11:01 PM #8
    Catnip
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    I feel like I'm invisible.
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  9. 04-19-2010, 11:50 PM #9
    hkwe36
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    Thansk to all that replied.

    STANCEWORKS/STANCEWORKS/STANCEWORKS/STANCEWORKS
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