Which is better? Reaplcing rear diff bushings? or installing rear diff brace?

[Black Tire]

Originally Posted by xkalelx

^^ what he said.
This is a well engineered bushing REPLACEMENT of the OE front bushing ONLY. Will have to drop the differential to press out the OE bushing for replacement. Good option if you are going to see a lot of track time. I actually bought this with the insert pack and couldn't install without dropping center section.

Where is the OE front bushing on the differential. It's winter right now, and it may be several weeks (or more likely months) before I get my car up to look under it. Any chance you could find a picture to show me before then?

[xkalelx]

[Votlon]

Originally Posted by xkalelx

^^ what he said.



This is what I installed. They are inserts and utilize the OE bushings and fill in the voids to firm up how the OE bushing behaves. This is an economical option that is easy to install. Good for daily driving/ mild track. For front AND rear bushings of the differential.



This is a well engineered bushing REPLACEMENT of the OE rear bushing ONLY. Might have to drop the cross member to press out the OE bushing for replacement. Good option if you are going to see a lot of track time.




This is a well engineered bushing REPLACEMENT of the OE front bushing ONLY. Will have to drop the differential to press out the OE bushing for replacement. Good option if you are going to see a lot of track time. I actually bought this with the insert pack and couldn't install without dropping center section.

The inserts are great and well engineered. Start there and if you want more rigidness in the future, you can upgrade piece by piece. Hope this helps.

This post answered all my questions about the diff mounts, ILU SIR

[Thefear13]

I had the PBM Subframe/Diff bushing installed. Its a bit of work but I love it. It's noisy and you feel everything!

[humfrz]

Originally Posted by Koa

Also don't forget that too stiff of a drivetrain can hurt the components in the system. ............. What are they trying to appease here- grocery getters and old mums?

Don't forget about old pops and running the grandchildren up to school ...... then getting the groceries ....

Personally, I haven't noticed any "slop" in the drivetrain of my MT FR-S.

Maybe, I'm just used to the old drivelines ...... where, if you couldn't rotate the driveshaft at least 1/4 turn ...... something was wrong .....


humfrz

[ML]

Sorry to bring up this old thread, but my OE diff bushings are cracking and the rubber is separating around the bolts. What is the best diff mount option for that these days?

[RickyRacer]

Originally Posted by ML

Sorry to bring up this old thread, but my OE diff bushings are cracking and the rubber is separating around the bolts. What is the best diff mount option for that these days?

anybody have an answer?

My OE bushings are also cracking and looking bad...

what's recommended

[DarkPira7e]

Originally Posted by RickyRacer

anybody have an answer?

My OE bushings are also cracking and looking bad...

what's recommended

If you're experiencing failure of the actual bushing, you need to replace them. The inserts are good only if your bushings are in good shape. Or get the diff brace. I'd still just replace the bushings, superpro makes a great set

[assbox]

I have 99k miles on my car now. The differential bushings were cracked. I had installed the inserts(KDT925) for a week and then moved to the (KDT924) bushing replacement.

You can definitely get by on the diff inserts. But if you have a pretty beat up bushing you should just get the full replacements. KDT924 feels really good and worth the extra install time. I was able to do it without dropping the sub-frame or even removing my TRD exhaust.