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  1. #1
    LTX Master


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    Nov 2012
    Vehicle
    1995 Firebird
    Location
    Western MA
    Posts
    951

    Default Open Headers = New Personal Best

    I've always wanted to try open headers at the track but driving it there then dropping the cat back and y pipe at the track then putting it back to drive home was not worth it. So, I dropped the cat back at home loaded it on the trailer and hit the track. First run with y-pipe 10.87 DA was only 90 best one I've ever seen. I thought that sucks what a waist of time. So I made another run this time 10.85, still disappointed. Now I took the y-pipe off and ran a 10.84 a new best but still come on. Decided to hit it one more time and boom 10.78 @ 124 DA was 500ish. Now that's better. Since the car's getting faster all day I said one more time, 10.81 @124 DA climbed to 1200ish by this time. Best with full exhaust was 10.85 @123 vs. open headers 10.78 @124.
    Last edited by Mystery Bird; 10-12-2015 at 08:44 AM.
    1995 TA: Converted Nose...381 LT1...4L80E...Moser 12 bolt...Edge TC...
    Best 1/4 10.71 @126, 1.46 60ft, 3450lbs
    http://www.youtube.com/user/MysteryBird1?feature=watch

  2. #2
    Xtreme Member


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    Nov 2008
    Name
    Chris
    Vehicle
    1994 Trans Am
    Location
    PA, USA
    Posts
    2,438

    Default

    Very nice! Pretty damn consistent. Did you modify the tune at all to run with open headers? They say leaner is meaner lol

    1994 Trans Am Under the knife - but it's alive!!! (5.3 LM7/CPT 60e/QP 9") BUILD THREAD
    2009 G8 GXP M6, full exhaust, catch can, cai, stereo
    1975 Olds 98 455 burnout machine/panty dropper | 1985 C10 new project

  3. #3
    LTX Master


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    1995 Firebird
    Location
    Western MA
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    Default

    Nope, didn't touch the tune.
    1995 TA: Converted Nose...381 LT1...4L80E...Moser 12 bolt...Edge TC...
    Best 1/4 10.71 @126, 1.46 60ft, 3450lbs
    http://www.youtube.com/user/MysteryBird1?feature=watch

  4. #4
    VIP Member


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    Apr 2011
    Name
    KYLE
    Vehicle
    95 MQBM Z28
    Location
    davison michigan
    Posts
    3,874

    Default

    How hard are you spinning it ?

    After the y what you running for a muffler ?

  5. #5
    LTX Master


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    Vehicle
    1995 Firebird
    Location
    Western MA
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    Default

    I shift at about 64-6500. After the y I have a single 3 pipe into a Borla 40474 xs muffler.
    1995 TA: Converted Nose...381 LT1...4L80E...Moser 12 bolt...Edge TC...
    Best 1/4 10.71 @126, 1.46 60ft, 3450lbs
    http://www.youtube.com/user/MysteryBird1?feature=watch

  6. #6
    InActive Member


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    May 2010
    Name
    guppymech
    Vehicle
    1994 Trans Am
    Location
    Chicagoland
    Posts
    35

    Default

    Nice going MB, I hope you pick up some more with the collector extensions we were talking about on that other site.
    1994 Trans Am, M6, Hardtop, Hotcam, SLP mids, Strange S60 4.10
    12.82 @ 109.42 da1774

  7. #7
    LTX Master


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    Vehicle
    1995 Firebird
    Location
    Western MA
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    Default

    Thanks guys.
    1995 TA: Converted Nose...381 LT1...4L80E...Moser 12 bolt...Edge TC...
    Best 1/4 10.71 @126, 1.46 60ft, 3450lbs
    http://www.youtube.com/user/MysteryBird1?feature=watch

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