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Body Flex

This is a discussion on Body Flex within the General Help forums, part of the LSx Technical Help Section category; I have s 2000 TA, WS6, Ram Air. Can anyone tell me what sounds the body make when it flexes. ...

  1. #1
    JMAC Racing WS6ICK's Avatar
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    2000 Trans Am WS6 LS6
    2006 GTO LS2

    Body Flex

    I have s 2000 TA, WS6, Ram Air. Can anyone tell me what sounds the body make when it flexes. I know I need to get SFC installed but I am wondering if the sounds my car makes is the body flexing. It only does it at dead stop takeoff. It does not do it when I am doing 20-30-40 and kick, only at dead stop and kick. I hear a poping sound coming from about the center of the car. I have checked the rear end, Transmission, Driveshaft, u joints and front end but I cant seem to find anything wrong.
    Last edited by WS6ICK; 11-22-2005 at 06:13 AM.

  2. #2
    Junior Member
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    Blue
    2001 TA WS6

    I'm by be wrong..
    but i hade poping sound in my car and it was a craked rear sway bar
    but then againg i my wrong
    Hope it helps

  3. #3
    Detailing + Design third_shift|studios's Avatar
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    My life is a
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    how about the tq arm? if your kickin' at launch that's gotta be tq arm.

  4. #4
    JMAC Racing WS6ICK's Avatar
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    2000 Trans Am WS6 LS6
    2006 GTO LS2

    I have replaced both the rear tq arms, Sway Bars and the panhard bar with aftermarket ones from BMR. I also went through and greased all of them.

  5. #5
    redls1bird
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    do you have aftermarket exhaust? sometimes the exhaust will rub theunder body on hard accelleration.

  6. #6
    JMAC Racing WS6ICK's Avatar
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    2000 Trans Am WS6 LS6
    2006 GTO LS2

    Yes, I have flowmaster catback with a custom y-pipe but the exhaust has been checked.

  7. #7
    redls1bird
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    has been checked how? have you ever looked for rub marks or anything of the sort?

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    JMAC Racing WS6ICK's Avatar
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    2000 Trans Am WS6 LS6
    2006 GTO LS2

    yes

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    Senior Member SeVeReDiStOrTiOn's Avatar
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    Tranny mount or exhaust is my guess

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    Senior Member 02z28ls1's Avatar
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    2002 Z-28 Camaro M6

    To answer your question -the body flex can be heard in various parts of the car.In my car only thing I hear is the t-tops sometimes going over rough pavement.I would think the popping sound is not from body flex but from drivetrain or suspension as you have already been told.If you have poly bushings in some of the aftermarket stuff I would be very suspious of this as they are notorious for making noises.As far as the exhaust goes you need to look closely at the clearances around the pipes-aftermarket exhaust doesnt always have enough room around it for every possible situation-it's bigger in diameter and wasnt made by GM.Torque arm is the likely culprit-however sometimes a problem has to get worse before it can be found and that may very well be the case.Get out and get under it on a regular basis and keep looking,you'll figure it out before somebody else will.

  11. #11
    JMAC Racing WS6ICK's Avatar
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    2000 Trans Am WS6 LS6
    2006 GTO LS2

    I finally just took the car to a local shop to have it checked out. I found out it was the Y-Pipe rubbing against the underside of the body. When I get on it, the engine would torque and make the driver side Y-Pipe hit under the car. I just have to take it back to the Muffler shop and have them weld on a brace. Thanks to all who responded.

  12. #12
    We'll be back... GatorSS's Avatar
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    Light Pewter Metallic
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    Glad you found it. It sounded like an exhaust pipe issue while I just read this thread. That is somewhat common on our cars with aftermarket exhausts.

  13. #13
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    LPM
    2000 SS

    Can you post a pic of the place where your new bracket is welded?

  14. #14
    JMAC Racing WS6ICK's Avatar
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    2000 Trans Am WS6 LS6
    2006 GTO LS2

    Sure, Give me a fews days and I will post a pic. I have to get it in the air to do this.

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    Senior Member Hurley711's Avatar
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    414 RWHP 395 RWTQ
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    Am I THE ONLY ONE who read that second post? The first response????WTF???

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    We'll be back... GatorSS's Avatar
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    Light Pewter Metallic
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    Dat be un fine produk of publik scool edjukashun.

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    Senior Member Hurley711's Avatar
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    414 RWHP 395 RWTQ
    00 Black Ram Air Trans Am


  18. #18
    Senior Member 02z28ls1's Avatar
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    navy blue
    2002 Z-28 Camaro M6

    Quote Originally Posted by Hurley711
    Am I THE ONLY ONE who read that second post? The first response????WTF???
    No, you werent the only one -but after spending 5 minutes translating it into english I was too tired to make fun of it. People-spend some time on your spelling so other people can read it ,or nobody's going to appreciate what you are trying to say.

  19. #19
    Senior Member Hurley711's Avatar
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    414 RWHP 395 RWTQ
    00 Black Ram Air Trans Am

    Someone needs to translate it side by side because I just don't understand that mother f'er

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    Modding is an Addiction bww3588's Avatar
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    no more beer for him!

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