Poly Bushings
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Supreme Member

Joined: Sep 2001
Posts: 1,195
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From: Flowery Branch, GA
Car: 1985 Iroc-Z
Engine: 1 BA 305 TPI
Transmission: Probuilt 700R4 - 2800 Stall Midwest
Axle/Gears: 3.42
Poly Bushings
I need pushing all around... Tranny mount, torque arm, front and rear swaybar. I have heard that the poly bushing are too hard and cause a lot of sweaks and rattles. Anyone had problems with them. Should I just get the rubber bushings?
Senior Member
Joined: Sep 2001
Posts: 564
Likes: 2
From: Cathlamet, Washington
Car: 87 Formula
Engine: 327
Transmission: 700r4
Axle/Gears: 3.23
I've got all poly now, and like em. The only thing that made alot more noise/vibration then before was the poly tranny mount.. Lowering the crossmember with some washers helped a bunch. I may need to go further yet.
Senior Member
Joined: Sep 2001
Posts: 850
Likes: 0
From: Damascus, OR, USA
Car: 1989 GTA
Engine: 383 Miniram AFR195
Transmission: Tremec TKO
Axle/Gears: BW 9 Bolt/3.70
It does stiffen things up so there may be a bit more noise associated. But hey, you are driving a thirdgen so what's another squeek or rattle!
IMHO, the performance gain more than offsets any minor increase in noise.
-Schultzy
IMHO, the performance gain more than offsets any minor increase in noise.
-Schultzy
I love em. the noise increase from the tranny mount was barely noticeable, and I put plenty of grease on the sway bar mounts, so they don't squeak at all. I have yet to put the engine mounts in, which I think will cause the most noise increase.
Supreme Member

Joined: Feb 2000
Posts: 1,170
Likes: 0
From: Seattle, Washington
Car: '87 IROC-Z/'82 RX7
Engine: SBC 355/1.1L Rotary
Transmission: T56/5 Speed
Axle/Gears: 4.33/3.93
I didn't notice any noise from the ES poly Engine Mounts, and I drive with my windows down alot, and that was before I had loud exhaust.
Just my HO.
Just my HO.
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