Mazdaspeed vs Superpro diff bushings
12-24-08, 04:43 PM
#1
Mazdaspeed vs Superpro diff bushings
Anyone have direct experience with both? When i bought my car it had white (nylon or delrin I believe) diff bushings installed. I removed my trailing arm bushings of the same material already to switch them out for Mazdaspeed bushings. The bushings are really solid and I can feel on/off throttle transitions a lot in the cabin. Are the Mazdaspeed diff bushings liquid filled rubber just like OEM? If that is the case, then it seems to me like the Superpro just might last longer. Basically I'm looking for a set to support the diff stiffer than stock, and bushings that will last longer than the car, yet not affect driveability at all in a bad way. I also have a Banzai diff brace installed, and it didn't transmit anymore vibration into the cabin (maybe because I already have really stiff diff bushings), but still made the rear end feel a little stiffer.
12-26-08, 12:15 AM
#3
I don't know how to tell either. I read on the forum somewhere that the bushings are solid rubber. I don't know how accurate that information is though.
I re-read my first post, and just for clarification, the white bushings that I already had on the car were super stiff and really had no deflection or noise absorption whatsoever. The Mazdaspeed bushings I haven't driven on yet.
I re-read my first post, and just for clarification, the white bushings that I already had on the car were super stiff and really had no deflection or noise absorption whatsoever. The Mazdaspeed bushings I haven't driven on yet.
12-28-08, 01:53 PM
#4
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The mazdaspeed are liquid filled from what i have seen. The only thing different about mazdaspeed bushings is the durometer of the rubber they use in the mounts. Otherwise the construction is the same. I would do the super pro or even better yet, the rx7.com ones because they are nylon or something even harder than poly. I have them in mine and have no complaints what so ever. Or just use a banzi diff brace, same difference. Oh and the bushings being liquid filled has nothing at all to do with how long they last. It just means that you have a)less area being occupied by ruber) and b)something else to lessen the "shock" of a hard shift. Basically they cause wheel hop if the diff bushings are able to move around too much.
Last edited by hsitko; 12-28-08 at 01:55 PM.
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