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Extreme Vibration from rear end

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Old Jan 18, 2007 | 08:39 AM
  #1  
ls2twntur1200hp's Avatar
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From: Shreveport, Louisiana
Car: 1988 Firebird Formula
Engine: 5.2 tpi
Transmission: th700r4- TCI
Axle/Gears: fourth gen rear 3.42
Extreme Vibration from rear end

I put a new set of Super High Performance Tires( or so there called) on my car and when i left for work this mornig i jumped on the gas and my car shook violently from the rear end. I did a powerslide right when i got the new tires but now everytime i try to spin'em all i get is extreme vibration.
any advise before i start trying to figure out wahats wrong?
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Old Jan 18, 2007 | 10:01 AM
  #2  
AlwaysDanked's Avatar
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From: Washington
Car: 1991 Camaro RS
Engine: 3.1mpfi swapping in a 2.8mpfi
Transmission: 700r4
Axle/Gears: non-posi rear
get your rear tires balanced.
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Old Jan 18, 2007 | 10:24 AM
  #3  
kaptinkafeen's Avatar
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From: Erin, Ont
Originally Posted by ls2twntur1200hp
I put a new set of Super High Performance Tires( or so there called) on my car and when i left for work this mornig i jumped on the gas and my car shook violently from the rear end. I did a powerslide right when i got the new tires but now everytime i try to spin'em all i get is extreme vibration.
any advise before i start trying to figure out wahats wrong?
How long of a powerslide did you do - could you have flat spotted your new tires?
I would do what AlwaysDanked suggested first, then start checking things like lca bushings, panhard bar bushings etc....
How many miles on your ride? - Is the rear end starting to wear out and after your last powerslide, you may have caused some damaged to the internals of your dif?
-Andrew
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Old Jan 18, 2007 | 10:38 AM
  #4  
Demon355's Avatar
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From: Toronto, Ont
Wheel hop maybe?

If these new tires are sticky than maybe you did hurt something internal in the rear.
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Old Jan 18, 2007 | 11:39 AM
  #5  
ls2twntur1200hp's Avatar
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Junior Member
 
Joined: Sep 2005
Posts: 76
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From: Shreveport, Louisiana
Car: 1988 Firebird Formula
Engine: 5.2 tpi
Transmission: th700r4- TCI
Axle/Gears: fourth gen rear 3.42
It has a rebuilt rear suspension, but it has a fourth gen rear with 170,000 on it. the power slide wasn't to long but i slung it pretty hard. I'll take the car back to the tire shop and have them check the balance but i hope i didn't tear up my posi.
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