Drivetrain I ditched my OEM lower motor mount
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I ditched my OEM lower motor mount
Well I recently got my hands on the new BSH Track version of the lower motor mount. Let me say ditch those powerflex bushings right now. Its a complete replacement for the motor mount itself being billet and very nice single large bushing. There is a good amount of NVH but then again if your wanting a really rigid mounted motor you want the best possible solution over oem and bushing inserts.
Last edited by checkmate2006; 02-09-2010 at 02:56 PM.
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Newbs49
With handling the track bushing is harder then powerflex poly.
Its pretty hard to say because everything is very hard from the crazy cold temperatures we have been getting here in kansas so everything vibrates, rattles, and just seems way stiffer. Once things warm up and soften up I will have a better idea. Currently its 25* and it takes 30 minutes for my oil to even get near normal operating temperatures.
With handling the track bushing is harder then powerflex poly.
Its pretty hard to say because everything is very hard from the crazy cold temperatures we have been getting here in kansas so everything vibrates, rattles, and just seems way stiffer. Once things warm up and soften up I will have a better idea. Currently its 25* and it takes 30 minutes for my oil to even get near normal operating temperatures.
Last edited by checkmate2006; 02-10-2010 at 01:57 PM.
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#11
Correct However OEM is a cast aluminum (which does have flaws) whereas the BSH Lower Motor Mount is a Billet Aluminum and the Mount is machined from a solid block of 6061
#12
Here is a side by side of the mounts. Note, the BSH mount has not been anodized yet to give you a better comparison without all the glimmer.
More about the R53 Lower Motor Mount
Aside from the obvious bushing difference, this is a much sturdier mount. Ive seen the stock fail time after time at the bushing, and although rare, Have seen the actual cast mount snap
More about the R53 Lower Motor Mount
Aside from the obvious bushing difference, this is a much sturdier mount. Ive seen the stock fail time after time at the bushing, and although rare, Have seen the actual cast mount snap
#13
Dont need to have one to see actual quality, even through a photo. My tranny mount is do for replacment, so the sooner you guys whip something up the better . I think just a bushing replacment like the front control arms would be adequate .
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I understand what you are saying about the billet casting. I guess my guestion is how much stiffer is the street version compared to the OEM with the big bushing insert and smaller replacement bushing like the Madness or powerflex replacements. I track my car 15-24 days a year with the Madness inserts. Very little NVH but a big difference in having less motor movement.
Still very streetable.
Still very streetable.
#15
I understand what you are saying about the billet casting. I guess my guestion is how much stiffer is the street version compared to the OEM with the big bushing insert and smaller replacement bushing like the Madness or powerflex replacements. I track my car 15-24 days a year with the Madness inserts. Very little NVH but a big difference in having less motor movement.
Still very streetable.
Still very streetable.
We tested multiple durometers before deciding on what we are calling the street as we are well aware that a high performance DD is nice, but one that you are uncomfortable to take discriminating friends, clients, or significant others out in is a no go.
The Race version on the other hand is quite a bit more aggressive. It utilizes an 88a durometer bushing. Once rolling there is very little increase in NVH over stock, however at idle or when beginning to move there is enough feedback for us to feel the need to give it its race designation.
We strongly suggest the street bushing for most drivers and are also willing to sell the race bushings at the same time as the mount so you can swap back and forth for your different needs.
#17
It has more to do with noise frequency and how it is transmitted from one point to another depending on the density of the metals.
#18
Im back after a bit of a hiatus, and have a PSQ (potentially stupid question).
Is this mount a substitution for the leak-prone, black-goo-filled mount that comes stock on the car? Does it also 'smooth' the shifting? IOW, when I put my now broken TSW engine damper on my Cooper, the car would bounce around less during shifts. Does the BSH part solve both of these problems? If so, the street version looks to be for me.
Is this mount a substitution for the leak-prone, black-goo-filled mount that comes stock on the car? Does it also 'smooth' the shifting? IOW, when I put my now broken TSW engine damper on my Cooper, the car would bounce around less during shifts. Does the BSH part solve both of these problems? If so, the street version looks to be for me.
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Both are on their home page. . .
Give Jeff a call
They pick-up the phone, and have responded to my email. You will find both on their home page at: http://www.txwerks.com
They pick-up the phone, and have responded to my email. You will find both on their home page at: http://www.txwerks.com
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