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-   -   What do you run? Rubber or poly? (http://www.wranglerforum.com/f282/what-do-you-run-rubber-or-poly-198972.html)

97flexy 11-12-2012 10:13 AM

What do you run? Rubber or poly?
 
Just curious what motor & trans mounts you use, Rubber or Poly?

Jerry Bransford 11-12-2012 10:29 AM

Having once run polyurethane engine and transmissions mounts, I will now only run rubber. Polyurethane passes too many vibrations which is why the automotive manufacturers don't use it.

97flexy 11-12-2012 11:30 AM

Quote:

Originally Posted by Jerry Bransford (Post 2986476)
Having once run polyurethane engine and transmissions mounts, I will now only run rubber. Polyurethane passes too many vibrations which is why the automotive manufacturers don't use it.

Did your poly mounts last longer then your rubber ones?

Jerry Bransford 11-12-2012 11:54 AM

Longevity was never an issue for me. For example, I sure wouldn't replace my feather pillow with a wood block simply because the wood block would definitely outlast my feather pillow. :p

Not to mention, again, that rubber mounts typically outlast the vehicles the factory installs them into. :)

UnlimitedLJ04 11-12-2012 11:56 AM

poly motor mounts here. Rubber wasn't an option when I upgraded my mounts, but to do it over again, I'd probably get Brown Dog rubber mounts with the added block brackets.

97flexy 11-12-2012 12:10 PM

Quote:

Originally Posted by Jerry Bransford (Post 2986859)
Longevity was never an issue for me. For example, I sure wouldn't replace my feather pillow with a wood block simply because the wood block would definitely outlast my feather pillow. :p

Not to mention, again, that rubber mounts typically outlast the vehicles the factory installs them into. :)

my rubber mounts were shot at 100K all of them, the trans mount was torn. and my jeep is still going.

Jerry Bransford 11-12-2012 12:22 PM

Sounds like you don't like my 'go rubber' suggestion... go with whatever you want, sounds like you want to go with polyurethane. I'm just saying I used poly before and I'll never go back to it again.

97flexy 11-12-2012 02:45 PM

Quote:

Originally Posted by Jerry Bransford (Post 2987025)
Sounds like you don't like my 'go rubber' suggestion... go with whatever you want, sounds like you want to go with polyurethane. I'm just saying I used poly before and I'll never go back to it again.

I'm going with poly cause thats what I went with and now the build is done.


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