Poly rear lower inner arm
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Ok
Basically i have read bad thing about this but i havent try it by myself What do you think about the following item Any experience? Bad or good? And where i can buy th oems? |
If you're gonna do it, go with Superpros
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I bought the kit130k from Super Pro , but just that bush was not included in the part list so i bought from powerflex
I just was eondering how good was just that one Also Mazdatrix offers some Masdasoeed bush for the same 40% stiffer but i dont trust in rubber as much as i trust in Uretgane :D Anyways will be nice to know if somebody have some experience with the rear lower inner bush ? |
Super pro does not make a replacement bushing for this pillow ball.
Stock Mazda rubber insulated pillow ball is FD01-28-460 and is ~$65-75ea. Mazda Competition piece with 40% stiffer runner insulation is F128-28-460 and is ~$100ea. This stock "bushing" is not a bushing. It is a steel pillow ball with some rubber insulation between it and a steel sleeve to help with transmitting vibration to the chassis. This Mazda illustration shows a cut-away of this type of "pillow bushing" in the rear toe arms- the rear lower inner one is the same type as the "pillow bushing" shown here. https://cimg2.ibsrv.net/gimg/www.rx7...c02a86658f.jpg Powerflex makes PFR36-308B which is a vastly inferior product (binds) for ~$60 for the pair. |
Thanks Blue TII
Thats was exactly the info that i was looking for Basically i need to buy the mazda racing ones and thats it |
FWIW...It's been a while but from memory one of those bushings (inner or outer) had an aluminum or soft steel sleeve that was kinda tricky to press in evenly.
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For the rear trailing arm, it is probably easier to just go with an aftermarket trailing 'arm' with a heim joint. Like what rx7.com has:
RX7.COM | FD Suspension Someone used to make a poly bushing for the stock trailing arm. I forget who. I remember receiving one as part of a group buy on this forum ages ago when I was experimenting with poly bushings. I didn't like the poly bushings fwiw but that is for a different thread. |
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Well thats will not solve the problem
I was considering something like this See photo But meaby for the street the bearings will not last long So probably i will go with the mazdaspeed inner ones and all the Poly Super Pro bushings |
On a street car is there any advantages going with the mazdaspeed over OEM ?
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Well depend of the street driver that you are
But i guess that less rubber means that they last longer and the are more stiff So more predictable rear end |
Originally Posted by 7krayziboi
(Post 12131296)
On a street car is there any advantages going with the mazdaspeed over OEM ?
The stock ones work perfectly fine as well. The only difference between the two is the stiffness of the rubber. They should last about the same time since the ball joint type pillowballs thingies encased by the rubber are the same. |
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Boght , not cheap but i have everything else
As soon as i get that from Mazdatrix will start the project 👍 |
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Got them and wating for install it
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Another photo
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