Transmissions and Drivetrain Need help with your trans? Problems with your axle?

Polyurethane Torque-Arm Bushing?...

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Old Jun 29, 2018 | 04:34 PM
  #1  
T.L.'s Avatar
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From: Colorado USA
Car: '83 Firebird (T/A Clone)
Engine: 350 with L-69 components
Transmission: 700R-4, 2000 RPM stall converter
Axle/Gears: 10-bolt/3.73 ..
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 Jun 29, 2018 | 05:12 PM
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Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: Polyurethane Torque-Arm Bushing?...

Not all that much, if any.
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Old Jul 2, 2018 | 06:39 AM
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From: Lawrence, KS
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.

JamesC
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Old Jul 2, 2018 | 06:54 AM
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T.L.'s Avatar
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Joined: Sep 1999
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From: Colorado USA
Car: '83 Firebird (T/A Clone)
Engine: 350 with L-69 components
Transmission: 700R-4, 2000 RPM stall converter
Axle/Gears: 10-bolt/3.73 ..
Re: Polyurethane Torque-Arm Bushing?...

Thanks...
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