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Poly engine mounts.

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Old Apr 12, 2002 | 01:58 PM
  #1  
89Formulafan's Avatar
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From: Nassau County, New York
Poly engine mounts.

I'm sure someone out there has put them in. Can anyone give me an idea of the difficulty and if one person can manage the job without killing themseves?? Thanks to all in advance for your help.
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Old Apr 12, 2002 | 03:05 PM
  #2  
johns84bird's Avatar
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From: Phila. suburbs, PA, USA
Car: Pontiac Grand Prix GTP
Engine: 3.8L V6 SuperCharged
Just got done doing them myself, with no help. It's a bitch. no comments on performance yet cause I can't drive my car. even with the motor out it's a pain.
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Old Apr 12, 2002 | 04:34 PM
  #3  
92blue's Avatar
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From: Florida
Car: 1992 Camaro RS
Engine: Yet another 350 TPI
Transmission: Borg Warner 6 spd
Axle/Gears: 3.73
What makes it such a pain? I've replaced the stock mounts on other cars, never a thirdgen though, but while it can be on the annoying side, I don't think its difficult.
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Old Apr 12, 2002 | 07:51 PM
  #4  
Stroked-Z's Avatar
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From: Ottawa, Ontario
Its a pain to get to the bolts!!!!!

Actually, its a real biatch!

I have Energy Suspension polyurathane mounts.....they are stiff! If i had a choice, i would go with GM mounts. My buddy put them in his S-10 when doing the V8 conversion, they are very forgiving to lumpy cams
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Old Apr 12, 2002 | 09:02 PM
  #5  
mystikkal_69's Avatar
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From: San Antonio, TX
Car: 1988 IROC-Z
Engine: L98 (350 TPI)
Transmission: MD8 (700 R4) + 3.42 LS1 Rear
but gm mounts do not like power!!!!:nono:
they break easily while racing
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Old Apr 13, 2002 | 01:51 PM
  #6  
89Formulafan's Avatar
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From: Nassau County, New York
Deatils please.

What exactly makes them such a b***h?? If possible i need some real dirt. Thanks.
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Old Apr 14, 2002 | 03:27 PM
  #7  
Zepher's Avatar
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From: Norfolk, VA. USA
Car: 86 Trans Am, 88 Formula
Engine: 95LT4, 305TPI
Transmission: T56, T5
It looks like you have to drop the lower a-arm to get to the nuts.
If the nuts were welded to the k-member then it would be easy.
I was doing mine today, but I will wait till I get the Poly ones first.
Oh, and my motor is out of the car which seems to make it just a little easier, but not much.
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Old Apr 14, 2002 | 06:43 PM
  #8  
Jza's Avatar
Jza
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Joined: Jul 1999
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From: Tulsa, OK
>It looks like you have to drop the lower a-arm to get to the nuts

Yup. And that entails compressing and removing the springs, and/or seperating the lower ball-joint.

Then you have to get a long extension with a wobbler on, at the same time as you attack the bolt from the other side.

Then you have to drill out the clamshell to seperate them in order to remove the mounts.

It's a whole lotta fun, let me tell you. I also used ES poly mounts, and man those suckers are stiff. The motor used to rock when I start it up. Not any more.

But they definitely transfer vibrations into the car. If you go poly, make damn sure you're up for that.
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