Poly vs Rubber UCA

[Steelwheelz]

I was looking at getting some new UCA’s. Do Poly’s transmit that much more road vibration than rubber? I’m looking at a Fabtech Kit and the UCA’s are poly. Thanks in advance !


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[vincentw56]

It does, but you probably won't notice. Poly will last a lot longer too.

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[BowDown]

Yes it does, and you will notice it. Had an issue in the suspension on my Z28, poly fixed the issue but noise increased noticeably. Had an issue with my Z06 and the diff mount, switched to poly, it corrected the issue but the noise went wayyyy up. Poly came out of that car.
Poly's make for a more solid mount for the control arm, noise will be transferred thru it to the chassis. Think of a socket extension to your ear to hear engine noise

 

[PM-Performance]

If you are changing them out, do poly for sure. Significant upgrade over rubber.
NVH is very minimal if any imho.

 

[Steelwheelz]

If you are changing them out, do poly for sure. Significant upgrade over rubber.
NVH is very minimal if any imho.

Thanks, I just don’t want to completely change the feel. It rides so well right now but I wouldn’t mind a slightly stiffer shock. The stock bilsteins are a little soft on my Rebel. I hear the 6112 are really good as well as the Falcon set up. Will fox and icon deliver a decent all around ride as well. I’m trying to do a quality level kit on this thing. Thanks.


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[PM-Performance]

Thanks, I just don’t want to completely change the feel. It rides so well right now but I wouldn’t mind a slightly stiffer shock. The stock bilsteins are a little soft on my Rebel. I hear the 6112 are really good as well as the Falcon set up. Will fox and icon deliver a decent all around ride as well. I’m trying to do a quality level kit on this thing. Thanks.


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Put it this way, if you have an off-road truck, you won’t even notice the difference in NVH.
**** I have primarily spherical ends all through my GT500 and nvh isn’t noticeable because it’s already a pretty bulky car and insulated well. But it’s purpose built like yours so it all works together well and you barely notice it.