I dunno, they still have the rubber isolators on the outside of the whole cartridge (puck), so i can't imagine them being noisier.
My rear bearing, the one that self-destructed, had almost nothing of the factory rubber/plastic left on the inside. I'm sure that contributed, and it makes me think i'll go with the aluminum ones this time... |
Yep, that's the e-bay guy I was referring to. I bought the kit but haven't done it yet. I'm in the middle of a full engine rebuild and will do the bearings at the same time. I plan to have it running in less then two weeks, so I can report back then.
Anyone have any thoughts on using an earlier torque tube? The metal stopper things on the later tube make it a pain when sliding back the tube to remove the engine (I always drop the trans instead of removing the radiator). I believe all the parts of any significance are the same in both tubes and I have one of each, but is there anything I should know before I make a big mistake? West |
Originally Posted by LS1Porch
(Post 6313735)
Here's pics of the 928 bearings from the thread Brian posted, BTW:
https://img.photobucket.com/albums/v...tinecorner.jpg |
Is he going to be making them for the 944 series? Or do the 928 versions fit our TT's?
|
Well, great news! On page 3, Constantine stated that:
A far as the 944 torque tube bearing rebuild kits, yes we are right now in the middle of finishing the first prototypes for the 944/968 platform. They will have the upgraded 2008 C4 series bearings just like our 928 versions, which is a much better solution than using 2006 C3 bearings that many are using presently. We expect to have the prototypes ready within a month for testing. However given the R&D we put into the 928 versions we really do not expect the R&D curve to be as long. |
I am one of the testers on the 928 setup, I posted the rebuild procedure here. You can also find more pics of the parts at that link.
Note: I have no business interest in this, I'm just a happy customer. :) :cheers: |
i bought the sleeves in that auction; i will let you know how they work out when i get a chance to rebuild my spare TT/
|
Originally Posted by Weston Dillard
(Post 6314203)
Anyone have any thoughts on using an earlier torque tube? The metal stopper things on the later tube make it a pain when sliding back the tube to remove the engine (I always drop the trans instead of removing the radiator). I believe all the parts of any significance are the same in both tubes and I have one of each, but is there anything I should know before I make a big mistake?
West |
Originally Posted by Weston Dillard
(Post 6314203)
Yep, that's the e-bay guy I was referring to. I bought the kit but haven't done it yet. I'm in the middle of a full engine rebuild and will do the bearings at the same time. I plan to have it running in less then two weeks, so I can report back then.
West Did thet send any instructions with the parts? |
Originally Posted by SharkSkin
(Post 6314645)
I am one of the testers on the 928 setup, I posted the rebuild procedure here. You can also find more pics of the parts at that link.
Note: I have no business interest in this, I'm just a happy customer. :) :cheers: |
Originally Posted by Brian Broderick
(Post 6315867)
Can you help get this 944 test started? This looks like a really nice product.
|
Originally Posted by Brian Broderick
(Post 6315850)
One thought on the these, the polymer ones has a small lip to lock it into place on the bearing. This is impotent when installing the bearing back into the TT since some force is required to get them to move into place. It also insures that it stays on the bearing while in service. You might need to glue the Aluminum carriers into the bearing, maybe JB weld or a loctite sealer.
Did thet send any instructions with the parts? http://picasaweb.google.com/SILBEROSSAUSA West |
I wrapped up the torque tube rebuild yesterday. What a crappy job that is! The bearings and bushings I got from the eBay guy were perfect. The drive shaft was a snug fit, but slid in with encouragement from a rubber mallet.
West |
Awesome news!
I spoke with Constantine about a week ago, i'm hoping to have the prototypes in my car in about a month here. I'll keep everyone updated... |
Just a thought on the aluminum sleeves . . . . I believe that the OE sleeves provided a bit of shock absorption for the bearing's benefit. Aluminum was available when Porsche made the pucks, but decided to use a steel sleeve with bonded plastic (some form of plastic anyway).
I'm clearly not an expert on metallurgy or know the exact reason the sleeves were designed the way they were, but Porsche could have just used a bearing that fit around the drive shaft if there was not a need for the sleeve. Maybe it was to keep the steel shaft from rusting to the steel bearing, if this was the reason, then the aluminum sleeve would serve the same purpose. Maybe it was to insulate the non-hardened shaft from the hardened bearing. I can tell you that even the plastic sleeves leave wear marks on the drive shaft, not sure what aluminum would do. I have opted to go with delrin, but that might not be any better than aluminum. Any other thoughts would be welcome as my torque tube is out having just been rebuilt with delrin sleeves and Ceramic Hybrid bearings. |
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