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solid motor mounts

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Old 05-02-2012, 08:34 AM   #1
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Default solid motor mounts

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I am going to replace my poly motor mounts with solid motor mounts. I am looking at UMI and motovative. Has anyone had a problem with stress cracks or any other failure of the motovative mounts? If so, how much power were you making? If anyone has switched from motovative to UMI, was there a noticeable difference?

Update: Put in the UMIs and couldnt be happier with them.

Last edited by Pseudonym; 05-13-2012 at 01:06 PM.
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Old 05-02-2012, 10:17 AM   #2
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i would like to know too.......since this has never been asked ........j/k
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Old 05-02-2012, 10:30 AM   #3
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I used the UNI solid mounts on an old El Camino I had for a little while. 350 solid roller engine. The mounts stayed well, didn't crack, and fitment wasn't a real issue, but the whole car shook (to be expected with solid mounts). I did have issues with the fenders getting a bit out of whack, probably because of the vibrations.

I haven't used solid mounts since, poly mounts seem to work well for medium builds.
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Old 05-02-2012, 11:57 AM   #4
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Quote:
Originally Posted by sjsingle1 View Post
i would like to know too.......since this has never been asked ........j/k
Yeah, I know this question has been asked before. I will edit the original post to clarify.

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I used the UNI solid mounts on an old El Camino I had for a little while. 350 solid roller engine. The mounts stayed well, didn't crack, and fitment wasn't a real issue, but the whole car shook (to be expected with solid mounts). I did have issues with the fenders getting a bit out of whack, probably because of the vibrations.

I haven't used solid mounts since, poly mounts seem to work well for medium builds.
I am expecting it to shake a bit, Im not concerned with that. I have polys now and I have had a strange issue with them. They melted, like this but worse.Melted Motor Mount???

Last edited by Pseudonym; 05-02-2012 at 12:21 PM.
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Old 05-02-2012, 12:59 PM   #5
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Quote:
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Yeah, I know this question has been asked before. I will edit the original post to clarify.



I am expecting it to shake a bit, Im not concerned with that. I have polys now and I have had a strange issue with them. They melted, like this but worse.Melted Motor Mount???

Interesting post on the melted poly mounts... I've never had a problem with them, even running headers.
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Old 05-02-2012, 01:27 PM   #6
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Never heard of melting motor mounts....., curious to see if anyone else has had a problem
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Old 05-02-2012, 01:57 PM   #7
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running poly here for over 2 yrs with TSP LTs......no melt
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Old 05-03-2012, 06:09 AM   #8
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Never heard of melting motor mounts....., curious to see if anyone else has had a problem
It was probably just me and the other guy from the thread I posted.

Anyone know of a failure of motovative mounts? Should I just spend a little extra and get the UMI mounts?
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Old 05-03-2012, 07:27 AM   #9
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i do prefer the polys. I had Moroso solids on a 396 4sp. Chevelle the left mount thru bolt
hole would wallow out and make noise changed out the left side more than once.
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Old 05-03-2012, 08:36 AM   #10
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The solid mounts are going to work the same and there won't be any performance difference between the two. The main difference is weight, our mounts will weigh less and the solid aluminum constructions is the reason for the increased price.

I hope that helps,
Ryan
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Old 05-03-2012, 08:39 AM   #11
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Midwest chassis has solid motor mounts also. Look into those
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Old 05-03-2012, 08:50 AM   #12
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I run umi solids. I hated the install (motor in car), but loved the results from them. Going from stock to solids I hardly even noticed them. I know you don't care about vibes I just don't get people that say they had so many vibes after solids so went to polys. I honestly think them peoPle have no experience running solid mounts. Just my 2 cents
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Old 05-03-2012, 04:55 PM   #13
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Be sure to run a poly trans mount then or stock rubber. I've heard horror stories about solid motor and solid trans
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Old 05-03-2012, 05:22 PM   #14
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Not to diss UMI, cause I think they are a great company, but I thought I remember some fitment issues with their solid mounts. Try doing a search on that.
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Old 05-04-2012, 08:20 AM   #15
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Quote:
Originally Posted by UMI Performance View Post
The solid mounts are going to work the same and there won't be any performance difference between the two. The main difference is weight, our mounts will weigh less and the solid aluminum constructions is the reason for the increased price.

I hope that helps,
Ryan
Thank you for the information. The price difference is not that drastic considering the difference in shipping costs.

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Originally Posted by babbage1109 View Post
Midwest chassis has solid motor mounts also. Look into those
I saw those after I posted this. Thank you.

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Originally Posted by BennyB View Post
I run umi solids. I hated the install (motor in car), but loved the results from them. Going from stock to solids I hardly even noticed them. I know you don't care about vibes I just don't get people that say they had so many vibes after solids so went to polys. I honestly think them peoPle have no experience running solid mounts. Just my 2 cents
I havent run solids yet, but it seems like people who had them in older cars have more problems with them. My dad had a set, similar in style to the motovative mounts, in his 68 camaro that cracked. Thats the reason I was asking about any known failures with them. Thanks for sharing your experience.

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Be sure to run a poly trans mount then or stock rubber. I've heard horror stories about solid motor and solid trans
Already have the poly trans mount installed. Thank you.

Quote:
Originally Posted by 93camaro_zzz View Post
Not to diss UMI, cause I think they are a great company, but I thought I remember some fitment issues with their solid mounts. Try doing a search on that.
I didnt see anything like that when I searched, but I will look again. Thanks.
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Old 05-04-2012, 09:16 AM   #16
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I have the motivative mounts and have no movement or any cracking. I've had them in for almost a year now
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Old 05-04-2012, 11:06 AM   #17
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I've had the Spohn Solids in for a month or so and love them. Plus they look better and are 9lb lighter

Last edited by deerslayinrednek; 05-06-2012 at 10:31 AM.
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Old 05-04-2012, 11:38 AM   #18
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Quote:
Originally Posted by deerslayinrednek View Post
I've had the Spohn Solids in for a month or so and love them. Plus the look better and are 9lb lighter
Dont they also raise the engine height by an inch? Unless they've change their design
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Old 05-04-2012, 02:31 PM   #19
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I am ordering the UMI mounts this weekend. Thanks everyone.
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Old 05-04-2012, 02:53 PM   #20
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Keep us posted on how they worked out for you!
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