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Poly Trans Mount good idea?

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Old Apr 12, 2005 | 09:40 AM
  #21  
dissonance's Avatar
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Originally Posted by Red 01SS
I like mine


I drive on the street some and never have any complaints, seems stock to me... I’ve had mine installed for a few years and the only problem I ran in to was one of the bolts that holds the mount keep falling out... but a little lock tight blue and lock fixed that...

If you don’t like it you could always reinstall your stock one...
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Old Apr 12, 2005 | 11:13 AM
  #22  
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Originally Posted by Tiger2o69
I mean all the vibrations under normal driving. I dont go over 100 mph very much so if it feels bad up there ill be ok or are you talking about good qualities of it? im sure ill notice good things once I get on it more. letting the converter break in a bit b4 i get on it a lot. ie. drags or slicks.

I get no vibrations at all with normal driving aswell. It's only when you go to a higher speed and really pushing your car. Other then that I get no vibrations at all under normal driving.
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Old Apr 12, 2005 | 12:04 PM
  #23  
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I had a little vibration but nothing I cant deal with
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Old Apr 12, 2005 | 12:26 PM
  #24  
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I have them both on my 91 Z and my 96 TA and i've never had a problem. Yes there a little bit more vibration but nothing really at all.

justin
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Old Apr 12, 2005 | 09:11 PM
  #25  
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Originally Posted by blacktransam
you'll have to excuse me as that makes no sense to me at all.. you knock sensors are part of your motor.. tranny is bolted to motor.. common physics would tell you that if more vibration is transfered (absorbed) into the car less is done by the tranny.. either way.. if ur trannys causing enough vibration to cause knock you have a problem.. and its not your mount

Mike
common physics would take into account action and reactionary forces. the rubber in the stock mounts acts as a damper of sorts, turning some of the vibrations of the motor into heat, and transferring less vibration to the car body and back to the motor in turn.

the difference in vibrations between the poly mount and the rubber mount would be something like the difference between hitting a pole with a rubber rod and a polyurethane rod. the rubber rod wont transfer as much shock back to you as the polyurethane one, the latter of which will probably hurt pretty bad. know what i mean?
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Old Apr 12, 2005 | 09:31 PM
  #26  
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I had mine (prothane) mount for the tranny installed a couple of months ago. There was more vibration with this mount, however, the more miles I drive it the less vibration I get. I think when it gets warmed up most of the vibration goes away. I'm keeping mine.

I agree with beardWS6, it takes a while to loosen up, be patient.
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Old Apr 12, 2005 | 11:41 PM
  #27  
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I installed my poly mount after I busted the stocker the same day I got the car.

From what I noticed there was no additional vibration. It vibrates from about 70-80 but that's a driveshaft problem, not a tranny mount problem.

I've never even heard of a vibration issue among any of my friends (we ALL run energy suspension poly stuff) and I know alot of car guys.

I havn't experienced any problems other than the mount not fitting quite right on my old car, an '85 Z28.

They're excellent, and if someone experiences vibration then they DIDN'T install it right. Follow the instructions exactly, and make sure to use the new bolts, washers if necessary, and the little plate that comes with it. When installed correctly it doesn't vibrate. I've seen cars where it wasn't installed correctly (excluding aformentioned friends) and it DID vibrate. A reinstallation fixed the issue.
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