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1 3/4 or 1 7/8 Headers

This is a discussion on 1 3/4 or 1 7/8 Headers within the External Engine forums, part of the LSx Technical Help Section category; With stock cubes, is 1 7/8 headers too much for a cam and heads motor?...

  1. #1
    Junior Member Tickwomp's Avatar
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    NBM
    2000 Z28 M6 Vert

    1 3/4 or 1 7/8 Headers

    With stock cubes, is 1 7/8 headers too much for a cam and heads motor?

  2. #2
    Member
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    pewter
    2002 Tans am WS6 M6

    Well I'm prob not the best to ask since I don't have that myself on mine. But If it were me and I only had a mild cam I would stay with 1 3/4. If I had different heads and a cam exspecially if it is really agresive I would go with 1 7/8. Not sure on the atuall hp. differences. I would go with the bigger size for sure.
    2002 Trans Am WS6 M6

  3. #3
    Senior Member INMY01TA's Avatar
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    2001 Trans Am (sold)

    No they're not.

  4. #4
    Veteran Hi-Po's Avatar
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    1999 TA WS.6

    1 7/8's are fine, for now and most every thing you do later on.

  5. #5
    Just a slow Camaro KING Z28 HAWK's Avatar
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    LPM
    2002 Z28 Camaro

    check this out texas speed has dyno from both http://www.ls1tech.com/forums/genera...8-headers.html

  6. #6
    formally 01 T/A 0verkill's Avatar
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    "Arrest Me Red"
    2001 trans am

    i hope the link is right. im puting the 1 7/8 on my car.

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