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Is my TT finally giving up? Answer: Yes.

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Old 08-25-2012, 04:39 PM
  #46  
Black Sea RD
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We designed the Super Bearings to negate the need for the problem prone vibe dampener. It's also not just the weight that helps to do so.

This was our "kill a few birds with one stone" approach to rebuilding the TT.

So far no complaints.

Cheers,
Old 08-25-2012, 06:40 PM
  #47  
dr bob
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** deleted wrong information **

Last edited by dr bob; 08-27-2012 at 11:45 AM. Reason: ** deleted wrong information **
Old 08-25-2012, 06:52 PM
  #48  
Charley B
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Please forgive my obsessive curiosity but is it a damper or a dampener? Or is either correct?
Old 08-25-2012, 07:13 PM
  #49  
jon928se
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Originally Posted by dr bob
The dampers are typically installed to 'dampen' a ringing or resonant vibration. Kind of like the crankshaft harmonic balancer "dampener", this is a torsional (twisting motion) dampener. The ringing in the shaft can be eliminated by adding a rotating mass in a rubber sleeve (as this and the harmonic balancer are), or by putting dampened support at specifoc nodal locations on the shaft, as Constantine's Super Bearings are intended to do.
The TT damper does not rotate. That is not until the rubber sleeves fail.

I would venture the opinion that the TT damper could equally well have been placed on the outside of the TT had there been room for it. It's placement and weight suggests to me that it is to dampen the vibrations of the engine TT transaxle combo as one unit.
Old 08-25-2012, 07:14 PM
  #50  
Mrmerlin
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Charlie if you go back and read the TSB that Bill posted your question will be answered.
Dcrasta you too should read the TSB as it has info that you might like to see
Old 08-25-2012, 07:20 PM
  #51  
Charley B
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Originally Posted by jon928se
The TT damper does not rotate. That is not until the rubber sleeves fail.
Mine begins to rotate as soon as I hit the starter. At least I assume that's what I'm hearing.


"Charlie if you go back and read the TSB that Bill posted your question will be answered."

Thanks Stan
Old 08-25-2012, 10:05 PM
  #52  
Bill Ball
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http://grammarist.com/usage/dampen-damper-dampener/

"A dampener is someone or something that dampens. So damper and dampener can both mean one that deadens sound vibrations."

Either is correct.
Old 08-25-2012, 10:21 PM
  #53  
Speedtoys
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Originally Posted by Charley B
I'll try and be there to lend a hand on Friday.

How did this go? Im back from Israel now, could stop by..
Old 08-26-2012, 12:28 AM
  #54  
Bill Ball
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Originally Posted by Speedtoys
How did this go? Im back from Israel now, could stop by..
Charley helped me get the TT apart. He suggested a bottle jack, which I had. We braced one end of the TT against a post and the bottle jack against a second post and pushed the shaft out in short order. I won't be back on this until Wednesday morning.
Old 08-26-2012, 02:40 PM
  #55  
dcrasta
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Originally Posted by Mrmerlin
Charlie if you go back and read the TSB that Bill posted your question will be answered.
Dcrasta you too should read the TSB as it has info that you might like to see
Yes thanks this is eyeopening . Now Im nervous because I chucked the failed one I had..
Old 08-26-2012, 05:05 PM
  #56  
Bill Ball
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Originally Posted by dcrasta
Yes thanks this is eyeopening . Now Im nervous because I chucked the failed one I had..
You aren't the first to forego the damper. Consider 3 of Constantine's Superbearings. Or try to find a third standard bearing carrier.
Old 08-26-2012, 05:29 PM
  #57  
M. Requin
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Originally Posted by Bill Ball
http://grammarist.com/usage/dampen-damper-dampener/

"A dampener is someone or something that dampens. So damper and dampener can both mean one that deadens sound vibrations."

Either is correct.
Well, only if you dampen your bearings the same way you dampen your pants. There are two verbs, to damp and to dampen, the former is the one to use in this context.

Last edited by M. Requin; 08-26-2012 at 06:13 PM.
Old 08-27-2012, 03:44 AM
  #58  
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Originally Posted by M. Requin
Well, only if you dampen your bearings the same way you dampen your pants. There are two verbs, to damp and to dampen, the former is the one to use in this context.
Maybe I can't read, but it says " So damper and dampener can both mean one that deadens sound vibrations."
Old 08-27-2012, 12:28 PM
  #59  
dcrasta
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Originally Posted by Bill Ball
You aren't the first to forego the damper. Consider 3 of Constantine's Superbearings. Or try to find a third standard bearing carrier.
I think I will eventually do the 'Constantine' solution once I get my $$ together for the complete rebuild (Superbearings, Clamp, etc).

I retrofitted a good (smooth) used unit for my bad one. I still have the old torque tube to rebuild but so far I got off 'cheap' .
Old 08-27-2012, 12:34 PM
  #60  
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Ok.. 88S4, Automatic.

I have a 928Intl supplied rebuild TT that was installed Dec 20th last year. All new TC bearings, the whole WYAIT shebang was done. Was quite expensive.

The car has a 'out of balance' feeling vibration at all throttle settings, cruise, neutral, parked..etc, and peaks out at about 3000rpm.

Could I have a bad damper on my TT shaft that needs replaced?


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