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Discussion Starter #1
Who's running poly mounts in their BSD 23? How are the vibrations at idle? I 'm running a vf engineering dogbone & dsm w/ the oem psm. I don't have any issues right now, just trying to figure out when I need to replace the psm, to go w/ a motorcraft one or a poly mount. Just looking for a little insite, thoughts.
 

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I have all three poly mounts with the BSD. Vibration is noticeable, but not bad. But that of course is just me, other people have different tolerances i'm sure. Did seem to reduce wheel hop and torque steer some.
 

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w/ my magic bag
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Discussion Starter #3
Thanx Aaron for your input. Did you install the dsm & psm at the same time? I installed the dsm mount last yr & its not bad, I really didn't notice any addition vibes. I believe the psm mount would add some, not sure how much more. Just trying to think if it'd add say twice as much or not, compared to the dogbone or a little bit.
 

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I did all three poly mounts at the same time. I can't really remember that much of an increase in vibration over just having the BSD. But it's been a couple years and I'm used to it, and I'm sure every car reacts differently. I find the Squeaks made by my poly suspension bushings more annoying than the vibration from the BSD and poly mounts.
 

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Discussion Starter #5
Yea, I can believe that.
 

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I'm due for a PSM, again, and am considering poly all around. I have a poly dogbone mount and BSD now and I'll be interrested to see how they are.
 

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Discussion Starter #7
I'm due for a PSM, again, and am considering poly all around. I have a poly dogbone mount and BSD now and I'll be interrested to see how they are.
So your ordering vf engineering psm/ dsm's? That'd be great.
 

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When I have spare cash laying around. There's about $1,000 worth of "maintenance" that I'd like to do to my car but for now it's just scheduled maintenance.

Is VF the best product or are there others?

The only reason I know my mounts are bad is because every piece of plastic in the cab is buzzing and vibrating.
 

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Discussion Starter #9
When I have spare cash laying around. There's about $1,000 worth of "maintenance" that I'd like to do to my car but for now it's just scheduled maintenance.

Is VF the best product or are there others?

The only reason I know my mounts are bad is because every piece of plastic in the cab is buzzing and vibrating.
Corksport, JBR= James Barone Racing, Street unit all have mounts for Mazda 3's. I had a thread a couple yrs ago, if the Mazda psm would work on the foci's. So when I needed to replace the reverse switch last yr, I installed a vf engineering dsm, as that one fits. IDK if the Mazda3 mounts would work. They'll bolt to the motor, but I don't know about the chassis.
 

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after breaking the 4th stock dogbone mount at the track I bought a VF-Engineering poly one from fswerks

this one won't break :)
as far as vibration goes, HECK yes, it changed the cranking sound, and you can feel it at idle lots, but once you are at 2000rpm or higher It isn't that noticeable.
 

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Discussion Starter #11
after breaking the 4th stock dogbone mount at the track I bought a VF-Engineering poly one from fswerks

this one won't break :)
as far as vibration goes, HECK yes, it changed the cranking sound, and you can feel it at idle lots, but once you are at 2000rpm or higher It isn't that noticeable.
Thats one of the 1st mods to do & a steeda short throw shifter is a great upgrade.
 

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Discussion Starter #12
I'm due for a PSM, again, and am considering poly all around. I have a poly dogbone mount and BSD now and I'll be interrested to see how they are.
So did you go w/ poly mounts?
 

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I would bet on the Mazda3's being the same, but it looks to have more plastic in the hydrolic boot area, so possibly stronger.
 

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Discussion Starter #14
I would bet on the Mazda3's being the same, but it looks to have more plastic in the hydrolic boot area, so possibly stronger.
The only Mazda mount I'd use would be a aftermarket psm, there is a lot more companys offering poly mounts for the Mazda3 then the Foci. Going oem, I'd only use the motorcraft one. JBR, Corksport & a few others out there for the mazda3.
 

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w/ my magic bag
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Discussion Starter #15
I'm due for a PSM, again, and am considering poly all around. I have a poly dogbone mount and BSD now and I'll be interrested to see how they are.
Have you install the poly mounts yet?
 
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