Mazdaspeed6 Solid Subframe Bushings

ConeKiller

Motorhead
Greenie N00B Member
Greenie Member
Solid subframe bushings for the 6.


The fabrication of the solid bushings are probably the easiest part of the job, the hardest part is removing the front subframe bushings.



Front Bushing Removal


IMG_20160729_194739_zpsoahuazok.jpg




IMG_20161130_204046_zpsryswjf0v.jpg



The first cut to remove the outer flange of the bushings, with a hacksaw or reciprocating saw.

cut1_zps92ubjnax.jpg


The second cut needs to be from a hole saw, detaching the bushing shell from the internal sleeve.

Cut2_zpsr84htm81.jpg


Once removed a standard air hammer, preferably with a curved chisel will make short work of the front bushing shells.

41SeHYCdA7L._SY300__zps9bywok1s.jpg


Rear Bushings

Easy Peasey. Air hammer them off. No bonded center sleeve means each side can be removed easily and independently.
IMG_20161130_204053_zpsdxgpieaa.jpg




New Solid Bushings


They look like this, not installed, turned down from 3" UHMW stock with a cut metal sleeve.
The metal sleeve is there to take the crush of bolt and washer, and the plastic bushing controls the lateral motion of the subframe.



IMG_20160823_195233_zpsqzjtlgtn.jpg



Specs:


I will edit in the specs.

@phate;
 
Any noticeable increases in NVH? It's a common upgrade for bmws and there's next to nothing for increases of NVH.
 
@ConeKiller; do you daily your race car? Or race car only? Bushings look like they would take a beating on city streets.


Sent from my iPad using Tapatalk
 
To add my .02 and sorry for the old post bump, but I was able to pry my bushing out with a tuning fork. I only needed to cut one.
 
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