Comp engine mounts of hell
Today I got to installed the mazda comp engine mounts I got from 949. In short, holy baby satan they're horrible. I'm surprised my car didn't fall apart on my trip back to Miami.
So I'm going to be at my parent's till Thursday night before I drive back to Orlando. I really do not want to make the trip with the as it is right. I remember reading a while back some ran a hard mount on the passenger side and a regular on the driver side. It seems to me most if not all the vibration comes from the driver side and though maybe that can help a little. |
It sounds like you might have another issue or an installation error? I've got the Mazda Comp mounts and I'd argue it's barely noticeable in terms of NVH differences.
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Originally Posted by Scrappy Jack
(Post 1087000)
It sounds like you might have another issue or an installation error? I've got the Mazda Comp mounts and I'd argue it's barely noticeable in terms of NVH differences.
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That's... beyond surprising.
Comp mounts didn't seem to create ANY more NVH than the stock mounts on my car. To that point, they also don't seem to suck any less, either. |
If comp mounts are vibrating too much adding a solid mount to one side is definitely not the direction you want to go.
I'm with the others in assuming there's some other issue going on. |
Originally Posted by pdexta
(Post 1087021)
If comp mounts are vibrating too much adding a solid mount to one side is definitely not the direction you want to go.
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1 Attachment(s)
You're not talking about the super miata comp mounts are you?
https://www.miataturbo.net/attachmen...ine=1388422089 |
Originally Posted by curly
(Post 1087027)
You're not talking about the super miata comp mounts are you?
http://949racing.com/images/view.aspx?productId=1092 I still want someone to tell me that the 70A duro SuperMiata mounts will be bearable on a street car. |
Originally Posted by Scrappy Jack
(Post 1087000)
It sounds like you might have another issue or an installation error? I've got the Mazda Comp mounts and I'd argue it's barely noticeable in terms of NVH differences.
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Originally Posted by Joe Perez
(Post 1087023)
I think he's referring to the Mazdacomp mounts as "hard" and asking about running one "soft" (stock) mount just on the side which he judges to be harshest.
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Picture above fixed
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Mazda Comp Motor Mounts 90-05 Miata
That is what I bought and installed. They're 75 durometer. How could I have installed them wrong. Brackets and mounts were torqued to spec :dunno: |
Originally Posted by concealer404
(Post 1087029)
LOL, good question. :giggle::rofl:
I still want someone to tell me that the 70A duro SuperMiata mounts will be bearable on a street car. |
Hah hah!!!!
Buffon has raging hems! :giggle::rofl: |
Originally Posted by concealer404
(Post 1087065)
Hah hah!!!!
Buffon has raging hems! :giggle::rofl: I really can't think of what I could have done wrong. Overtorqued? undertorqued? I used ~40 lb which is what I found somewhere to be the right amount. |
Those aren't harsh mounts. Something is making contact.
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Something is WRONG with your install, there is hardly any difference between broken stock mounts and new MazdaComp mounts. I am in Ft. Lauderdale, maybe we can meet up and I can take a look and help? I have them in my car along with eurathane diff mounts, and I noticed the switch to the diff mounts way more than the motor mounts.
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There's four bolts on each mount, one under the subframe, and three on the block. Then there's the two on either end of the rubber itself. I can't see how any amount of torque, loose or tight, could cause harsh vibrations.
I also don't see how you could of screwed up, short of wedging a screwdriver between the metal cup and subframe. You'd have to drill and tap the block to mismount that side, and there's only one hole in the subframe. My guess is something is screwy with the mount itself (bad batch? Never heard of it though), or something with the metal cup. A picture might help us all. |
Yeah, maybe pictures would help in this case.
Is it possible you didn't torque the nut on the stud from the mount that inserts through the subframe? Maybe the nut rattled off, and now the mount has flexed it's way out of the notch in the subframe allowing for metal to metal contact between the stud and the subframe? Does it look like your engine is sitting at more of an angle than before? I know that seems obvious, but like everyone else, I don't know what else it could be. |
5 Attachment(s)
Here are some pictures. All three bolts that connect to the block and the both nuts that connect to the frame are torqued.
https://www.miataturbo.net/attachmen...ine=1388429739 https://www.miataturbo.net/attachmen...ine=1388429739 https://www.miataturbo.net/attachmen...ine=1388429739 Is hard to see in the picture above but the two bolts in front are in. It's hard to get a shot of there rear but is very much in there https://www.miataturbo.net/attachmen...ine=1388429739 https://www.miataturbo.net/attachmen...ine=1388429739
Originally Posted by MX5RACER
(Post 1087075)
Something is WRONG with your install, there is hardly any difference between broken stock mounts and new MazdaComp mounts. I am in Ft. Lauderdale, maybe we can meet up and I can take a look and help? I have them in my car along with eurathane diff mounts, and I noticed the switch to the diff mounts way more than the motor mounts.
Originally Posted by sixshooter
(Post 1087072)
Those aren't harsh mounts. Something is making contact.
Originally Posted by curly
(Post 1087076)
There's four bolts on each mount, one under the subframe, and three on the block. Then there's the two on either end of the rubber itself. I can't see how any amount of torque, loose or tight, could cause harsh vibrations.
I also don't see how you could of screwed up, short of wedging a screwdriver between the metal cup and subframe. You'd have to drill and tap the block to mismount that side, and there's only one hole in the subframe. My guess is something is screwy with the mount itself (bad batch? Never heard of it though), or something with the metal cup. A picture might help us all.
Originally Posted by sharkythesharkdogg
(Post 1087084)
Yeah, maybe pictures would help in this case.
Is it possible you didn't torque the nut on the stud from the mount that inserts through the subframe? Maybe the nut rattled off, and now the mount has flexed it's way out of the notch in the subframe allowing for metal to metal contact between the stud and the subframe? Does it look like your engine is sitting at more of an angle than before? I know that seems obvious, but like everyone else, I don't know what else it could be. |
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