[s-cars] Driveshaft: New or Rebuilt ?

[Scott DeWitt]

Most if not all replacement center support bearings will last a couple years.

There isn't a factory equivalent replacement.

For the new shafts a heavier duty version is used than the rebuilt shafts.

Scott



On Fri, May 2, 2014 7:20 pm, Wylie Bean wrote:
> I'm facing this soon as well.. i figured I'd get the parts and have it
> rebuilt by a local shop that specializes in rebuilding driveshafts in
> Winston-Salem.  I know the 034 CSB needs some tweaking but didnt realize
> it
> was something to avoid. If not it, then what if any suitable alternative
> is
> out there?
>
> Wylie Bean
> theringmeister at triad.rr.com
> 90 cq
> 91 90q20v
> 91 200q20v
> 92 urS4
> 08 Q7
>
> -----Original message-----
> From: Cody Forbes <cody at 5000tq.com>
> To: Peter Golledge <petergolledge at gmail.com>
> Cc: "s-car-list at audifans.com" <s-car-list at audifans.com>
> Sent: Fri, May 2, 2014 19:19:40 EDT
> Subject: Re: [s-cars] Driveshaft: New or Rebuilt?
>
> Two piece is better for long runs for harmonic reasons and stronger. A
> long
> one piece has to be very well balanced or it can self destruct especially
> when speeds go up (autobahn). Obviously they can be made plenty strong...
> See every american drag car ever for evidence ;-). Audi trans-am
> driveshafts
> were one piece as well, but that may have been a design constraint with
> them
> being carbon fiber.
>
> -Cody Forbes (mobile)
>
> On May 2, 2014, at 5:49 PM, Peter Golledge <petergolledge at gmail.com>
> wrote:
>
>> Tom,
>>
>> I assume it needs rebuilding due to U-joint failure?  Support bearings
>> can
> be replaced easy enough.  I'd go the single shaft option:
> http://advancedautomotion.com/shop/product_info.php?cPath=44&products_id=43
>>
>> Less is more, no bearing to replace and you get new CVs/Boots into the
> deal.  Dave Hackl is running a single piece driveshaft in the Pikes Peak
> URQ
> with locked diffs so I'm sure this option is robust.  Never could figure
> out
> why Audi went with the two part design.
>>
>> On 5/2/2014 2:36 PM, Tom Rodriguez wrote:
>>> Looks like I need a new drive shaft for my '95 S6 (part no.
>>> 4A0521101B).
>>> Any thoughts about rebuilt v. new?  I priced it out and rebuilt is $495
> v..
>>> $1,500 new.
>>>
>>>
>>> I consulted the Quattroworld FAQs and got some good wisdom from the
>>> Tornado//S6 Driveshaft R&R posting from 2004, and Wayne Dohnal's 2008
>>> follow-up post.  Wayne listed two shops that can do the rebuild:
> Driveshaft
>>> Specialists and Powertrain Industries. I've spoken with both and
>>> pricing
> is
>>> identical.  Anyone have a favorite?
>>>
>>>
>>> Also, is there any difference in the driveshaft for '95 v. '95.5?
>>>
>>>
>>> Tom Rodriguez
>>>
>>> '95 S6
>>>
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>>
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-- 
Thanks!
Scott DeWitt
Advanced Automotion
Ph:  720.4.GEARS.1 (720.443.2771)
Fax: 361.288.8030
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