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Poly engine mounts

This is a discussion on Poly engine mounts within the External Engine forums, part of the LSx Technical Help Section category; How hard is it to take the engine mounts out ?> The local f-body guys say its a bitch and ...

  1. #1
    Impounded
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    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Poly engine mounts

    How hard is it to take the engine mounts out ?>

    The local f-body guys say its a bitch and a half to do it unless you are doing a header install.


    Got any tricks?

  2. #2
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    White
    2001 Z28

    It is something you do when you remove the engine. There are no shortcuts that I know of. The vibration increases, but the mounts are a good idea especially if you have more than 100k on your motor.

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    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Yeah they are loose and rocking. You can feel them flex when you go WOT.

    Probably need to do it now while the ypipe and tranny is out.

    Mounts are laying in the middle of the shop. As well as my new torque arm bushing. Struts ,full balljoints, steering, lcas are next. Poor old car has too much HP and too many miles for the stock bushings.

  4. #4
    M6 King Hot Black Trans-Am's Avatar
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    09 EclipseGT 75 Chevy 4x4
    2001 Trans-Am 13 F-XT

    I'm planning on poly motor and trans mounts with I get some headers. I don't think you can do the motor mounts with the Y & manifolds in place.

  5. #5
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    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Yeah, thats what ive been told. My ypipe is comming off. Im gonna call the HP house in Bowling green to see how much it will rape me to have it done. Nobody around here will touch it unless its a header swap in the process. Im gonna see how it acts with a different brand tranny mount/ new flexplate/tranny/ujoints/new stall /new torque arm bushing. If its ok I will wait till tax time and throw some headers and true duals on it and say screw it. Work too damn much to do it myself plus I dont have a lift and its my DD !!

  6. #6
    Member stephen02ws6's Avatar
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    red with black stripes
    2002 Trans Am WS6

    it cost me 360 to have mine put in

  7. #7
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    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Dear God. I guess Ill keep em in the box till april....

  8. #8
    M6 King Hot Black Trans-Am's Avatar
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    09 EclipseGT 75 Chevy 4x4
    2001 Trans-Am 13 F-XT

    Good idea. I didn't order mine once I looked under the car to see how bad it would be to get at them. I decided to hold off until exhaust time.

  9. #9
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    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    I wanted to buy the kit because its cheaper and plus im tired of this ES tranny mount.

    Eh, I guess it will collect dust for a while

  10. #10
    M6 King Hot Black Trans-Am's Avatar
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    09 EclipseGT 75 Chevy 4x4
    2001 Trans-Am 13 F-XT

    My 9", torque arm, DSL and new brakes are sitting collecting dust too. I can't wait to get some time to get them in. I also need my cooling system flushed. I don't know if I should stick with dex or go green.

  11. #11
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    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Dex and a flush keeps a fully stock 150k cooling system working fine I also put some of that royal purple magic coolant crap in friday ... it actually helps lol

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