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Polyurethane Torque-Arm Bushing?...

   
Old 06-29-2018, 04:34 PM
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Car: '83 Firebird (T/A Clone)
Engine: 350 carbed with L-69 components
Transmission: 700R-4 w/2000 RPM stall converter
Axle/Gears: 10-bolt/3.73 Let's Go Brandon
Polyurethane Torque-Arm Bushing?...
Do polyurethane torque-arm bushimgs substantially increase noise/harshness/vibration on thirdgens if used with a stock rubber transmission mount?...
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Old 06-29-2018, 05:12 PM
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Re: Polyurethane Torque-Arm Bushing?...
Not all that much, if any.
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Old 07-02-2018, 06:39 AM
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Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Polyurethane Torque-Arm Bushing?...
Originally Posted by T.L.
Do polyurethane torque-arm bushimgs substantially increase noise/harshness/vibration on thirdgens if used with a stock rubber transmission mount?...
No issues with that setup on my IROC. A poly trans mount, however, may cause significant noise/harshness/vibration.

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Old 07-02-2018, 06:54 AM
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Join Date: Sep 1999
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Posts: 2,372
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Car: '83 Firebird (T/A Clone)
Engine: 350 carbed with L-69 components
Transmission: 700R-4 w/2000 RPM stall converter
Axle/Gears: 10-bolt/3.73 Let's Go Brandon
Re: Polyurethane Torque-Arm Bushing?...
Thanks...
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