Polly vs rubber - Chevelle Tech
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post #1 of 35 (permalink) Old May 5th, 19, 9:39 AM Thread Starter
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Rick
 
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Polly vs rubber

Want to change older body bushings on my 69'. What are your experiences with the different types and brands?
Any problem areas?


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post #2 of 35 (permalink) Old May 5th, 19, 10:11 AM
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Re: Polly vs rubber

I went with poly both front and rear but changed the bushings in the ears in the rearend to rubber after only a couple of short test drives. Felt like rear was binding. New poly vs 45 year old rubber bushings was big improvement but cant say how new rubbers would felt vs poly? Used energy suspension bushings.

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post #3 of 35 (permalink) Old May 5th, 19, 10:47 AM
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Re: Polly vs rubber

rubber body
polygraphite suspension
"" motor mounts
rubber trans mount...feels about perfect.

Everything feels much tighter but has some isolation from the frame as far as vibrations go
Has a fairly rowdy motor and feel 0 harmonics, anything inside. that stuff annoys me

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post #4 of 35 (permalink) Old May 5th, 19, 11:07 AM
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Re: Polly vs rubber

I went with Energy Suspension (poly) bushings on my Nova. Just drove car for the first time and seemed tight with no noises. Some say they squeak and the ride is rougher. The rubber ones I bought seemed cheap made. You will hear good and bad on all of them. pick one that suits you and don't look back. I'm also running solid motor mounts with a rubber trans. mount, picking up nothing there either., nice tight and solid, no vibrations that I can feel. Jim
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post #5 of 35 (permalink) Old May 5th, 19, 11:35 AM
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Re: Polly vs rubber

I just did the inline tube rubber kit. Really happy with it, no squeaks. Car is nice and tight but I did a lot of things all at once this winter so canít attribute it all to the body bushings.

No car yet; currently looking for 66-69 project/driver.
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post #6 of 35 (permalink) Old May 5th, 19, 12:30 PM
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Re: Polly vs rubber

For a cruiser or a driver, Installed all new " Stock " rubber suspension bushings. All new MOOG in the front. The rear, All new stock type rubber. L.C.A. and U.C. A.
Depending on what you are after, I just wanted a nice driver, All is just fine and would do it again.
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post #7 of 35 (permalink) Old May 5th, 19, 1:21 PM
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Re: Polly vs rubber

Body to frame, engine, and trans I used poly mounts.

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post #8 of 35 (permalink) Old May 5th, 19, 2:12 PM
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Re: Polly vs rubber

I used a rubber body bushing kit IIRC from NPD, energy susp. engine, trans, frnt. & rear upper & lower control arms, rides like a new car has new springs & shocks too though


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post #9 of 35 (permalink) Old May 5th, 19, 3:50 PM
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Re: Polly vs rubber

Quote:
Originally Posted by mrpaticular View Post
Want to change older body bushings on my 69'. What are your experiences with the different types and brands?
Any problem areas?
https://www.chevelles.com/techref/body_bushings.html
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post #10 of 35 (permalink) Old May 5th, 19, 5:06 PM
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I did poly. Between that and the calverts it’s pretty stiff. At the track the car is perfectly level with both front wheels off the ground the same height.

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post #11 of 35 (permalink) Old May 5th, 19, 6:37 PM Thread Starter
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Re: Polly vs rubber

Thanks for all the replies. I read the link Schurkey posted. That was a horror story.


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post #12 of 35 (permalink) Old May 5th, 19, 8:14 PM
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Re: Polly vs rubber

I use rubber body mounts. IMO you need a little more absorbing between the frame and body.
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post #13 of 35 (permalink) Old May 6th, 19, 10:09 AM
 
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Re: Polly vs rubber

Here's a good video to watch for a comparison . I wound up purchasing polly haven put them in just yet but the video helped me make the decision

https://youtu.be/2Ea8U12nX_k
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post #14 of 35 (permalink) Old May 6th, 19, 3:49 PM Thread Starter
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Re: Polly vs rubber

I watched those videos. Good info.


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post #15 of 35 (permalink) Old May 8th, 19, 9:04 PM
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Re: Polly vs rubber

When I pulled my body off the frame I was afraid of stripping the cage nuts. So. I drilled small holes is the floor above the blots and shot some penetrating oil on them using the straw. If a cage nuts comes loose you will need to cut the floor open to hold the nut so the bolt can be removed. I bought the same kit as seen in the video posted, but have nit completed the car yet so cant speak to the ride. I did think the kit and hardware were real nice.


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