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Help Diagnose vibration problem

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Old Aug 30, 2005 | 07:07 PM
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soontobeLS1's Avatar
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Default Help Diagnose problem

This has happened 3 times so far:

-Basically what happens, is I am showing people the snap of my car, when I punch it in 1st gear at about 4000 RPM, I break the tires loose and the cars starts spinning then making a violent banging feel and noise, all the change in my ashtray goes crazy. Why is it doing this and not just spinning away? Do I have something wrong?????

Thanks for the help, hopefully someone knows what I am talking about.
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Old Aug 30, 2005 | 07:15 PM
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Sounds to me like wheel hop
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Old Aug 30, 2005 | 07:16 PM
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sounds like the y-pipe banging on the floor??????
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Old Aug 30, 2005 | 07:50 PM
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From: Schiller Park, ILL Member: #317
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Wheel hop or broken trans mount perhaps....
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Old Aug 30, 2005 | 08:06 PM
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It's not the y-Pipe, I just had that put on. There would be an exhaust leak if the y-pipe was busted.
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Old Aug 30, 2005 | 08:09 PM
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I think when your tires break loose, your RPM's jump up to the red line and the rev limiter is cutting you back but you keep it floored and it keeps cutting you back. try letting up on the gas when it breaks loose and watch the gauge to make sure you keep it out of the red.
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Old Aug 30, 2005 | 08:19 PM
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Originally Posted by soontobeLS1
It's not the y-Pipe, I just had that put on. There would be an exhaust leak if the y-pipe was busted.
my headers & y-pipe were put on brand new & on the way home i got on it & it was clunking underneath & it was my y-pipe flexing at the joint banging on the floor every time i go t on it!!! just thought i would through that out there
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Old Aug 30, 2005 | 08:29 PM
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if it shakes the whole car, then its wheel hop. but if its just banging then as others said it your ypipe...

to address wheel hop i would recomend 2 upgrades.

1. LCA's
2. TQ Arm

both are stamped steel from the factory, and very weak.
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Old Aug 30, 2005 | 10:12 PM
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i agree with jaberwaki,

and i will also add, this is very bad for your car so if i was u i would put some money into suspension...
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Old Aug 30, 2005 | 11:41 PM
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You know... oddly enough.. I get a similar problem... but my problem only happens after the car has been driven/warmed up for a bit.... and I only get the vibration at about 600 rpms...

It's definately coming from the back, cause the vibration sounds like its making the rear hatch echo... real odd..

I'm not sure if I should take it to the dealership or not... I'm under a full warranty.. It's getting real old real fast.. I have an 01' Trans Am.
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