Blackend

Ok - many threads have been started and finished, but I have yet to see a viable alternative to our beloved OEM part. I have many questions and hope to have some answers for all of us in the near future.

First question: Does this mount look "broken" to you?

EDIT: Pictures Removed

I see where a very thin strip of rubber connected in the open spaces, but it is now gone. I know that the metallic sound I heard when this mount was in my car was gone when the new mount was installed. My biggest problem is that after almost 10 months...the sound is back

I cannot see anywhere on the old mount (in pictures above) where the rubber looks to have broken, or worn out, and yet I still had a very audible noise with this one on, and now with the replaced mount.

Second question: Is there any metal that holds the center bolt hole in position or is it just secured by the rubber alone? If I were to burn out the rubber in preparation to fill the entire cavity in another material (say...polyurethane) how accurate does the center piece need to be placed - assuming that there is no metal holding it in place?

Third (and final) question: If we could have a professionally produced version of a poly-filled rear mount, how much would you pay for one? Before you answer (or flame me for asking this question again) know that I have a prototype being made now at my expense and would only be using brand new OEM mounts, that would have the rubber removed and the cavity filled with 60 - 65 shore A polyurethane.

It doesn't seem like this is too hard of a project if we attack it from the right direction. I'm not going to try and rape anybody on the price (no way I'm getting rich off fellow Legend owners ) but I do want to make sure I can cover my investment + shipping.

Thanks in advance for anybody's help with this

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RangerJoe

this is my old broken mount...so yours doesnt look broken



I had no idea mine was broken either. the round pieces are the tops of the front engine mounts
i had no clue those were messed up either.

Blackend

Thanks for the quick reply - but now I'm kinda worried. If my mount isn't broken, but the sound I was hearing was gone when I had it replaced, and now it's coming back...would a poly-filled mount clear up the problem?

Guess there's only one good way to find out!

Anybody else have any thoughts?

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RangerJoe

If you filled it with poly, you would eliminate the chance that its rubbing against itself, and strengthen the mount itself. So it can only help...

Blackend

So would anybody be interested in purchasing a polyurethane filled rear transmission mount?

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oldacura

I just had my trans mount replaced w/new. The mechanic gave me the old one. Both rubber "spokes" were broken through.

The car shifts more smoothly now but its not the dramatic improvement that some report.

I would think if you were going to fill the space between the inner & outer rings w/urethane, you may want to go with a lower durometer (maybe 50 Shore A?). The open spaces between the rings effectively reduce the stiffness of the mount.

Searchin4acoupe

I respect your work on this, but IMHO if I have to replace an OEM mount with another OEM mount every 60 or 70k I'll do it. If a newly created/custom mount were produced, I personally would want to see someone testify to it lasting significantly longer than OEM before i would buy one. In other words is there enough of a "need" for this custom work?

As far as your continued noise, I have nothing to offer other than perhaps a defective mount, although I have yet to buy ANY defective OEM part from Honda. And no, that "old" one doesn't look broken in the least. For whatever it's worth, I think our coupes are almost the exact same mileage and I have not replaced my mount yet.

My2¢
Dave

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Blackend

hmmmmm, I might just bite the bullet on this one then and see if the prototype works for me for a while then. I do drive hard and fast most of the time so maybe my problem is not the mount - but I just can't figure it out since when I replaced the above "bad" mount, the noise went away, although the mount doesn't appear to be broken in any way...

Dave - how long would it take for you to be convinced that a functioning poly mount on my car was a good upgrade? Also, how could I prove it? Not trying to pick on you - just trying to get a feel for the general consensus...

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Blackend

I am interested in how long you notice a change in the feel of your car with the new mount. What I noticed when I had the above mount replaced, was that the shift (especially 1st to 2nd) was not as crisp/harsh, but felt more connected or linear. It felt like I lost a little acceleration though, but I'm wondering if a poly-filled mount would help to retain that crisp shift and also improve the durability. I will ask the guy I'm dealing with about his recomendations on the level of hardness to use for this application.

Thanks for your comments! Keep 'em comming!

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LS92Sedan

blackend, toss me a pm, I am also working on a urethane filled rear trans mount, my idea was actually a 2 part urethane, where the outter edges of the mount would have a harder urethane resin and the center would be a little softer, this would eliminate any type of vibrations yet keep a stiff shape to keep the mount from saggy or clunking if you will, I have mine and my buddies old mount to use as molds, if anyone else has dead mounts that they just have lying around please shoot me a pm, I would pay shipping for your used mounts, also, once I get a few (like 5-10 mounts) complete, I would like to see if a few of you would like to test them out and possibly review them for the rest of the users on the board, the goal here is to have a cheap alternative to replacing the soft rear mounts.

Blackend

PM Tossed

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Thai.95LCoupe

i'm down for one.

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Hotstartup

100 bucks over 100k miles is cheap

Searchin4acoupe

Fair question, nor am I trying to crap on your efforts as I see that happen a lot here and don't want any part of it. My understanding here is that you are trying to create a part that functions longer than OEM right? There are no other anticipated benefits (performance, ride, etc.). In that case, as crazy as my expectation is, I guess I'd need one to outlive an OEM mount. Or Bryce driving on it for a week, either one . As I think about this, there are a few things to consider. Is it a crappy mount, or is there something about how the car and its drivetrain were designed that simply asks more from the rear mount than it should? Food for thought. Again, I am trying hard not to be the black rain cloud here, but maybe its unavoidable.

As for proof. I would trust your word.

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Blackend

With this part, theoretically, you could spend that $100 every 100K miles on something else that broke...until I figure out a better solution to that part! :p

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