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What did you do to your 996TT today?

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Old 04-21-2018, 12:34 PM
  #3886  
TheDeckMan
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Originally Posted by 32krazy!
your sig shows gt3 pistons in a turbo car?
Yep, 996 GT3 6pots using the 997tt 350mm rotors.
Old 04-21-2018, 02:33 PM
  #3887  
32krazy!
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Originally Posted by TheDeckMan
Yep, 996 GT3 6pots using the 997tt 350mm rotors.
Ok your sig implies engine pistons not brakes

Last edited by 32krazy!; 04-21-2018 at 03:43 PM.
Old 04-21-2018, 03:09 PM
  #3888  
TheDeckMan
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Originally Posted by 32krazy!
Ok your dig implies engine pistons not brakes
Yeah it did, would not want any confusion
Old 04-21-2018, 03:45 PM
  #3889  
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Originally Posted by TheDeckMan
Yeah it did, would not want any confusion
ha! no worries. i have seen 10.5 compression on these motors but not the higher gt3 compression. high compression and boost dont make nice with each other.
Old 04-21-2018, 10:42 PM
  #3890  
mbaran
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She got new motor mounts finally! Old ones definitely worn.






Old exhaust tip gap

New exhaust tip gap


Also aligned the shift cables, but I think tightening up the motor mounts made a bigger difference.
Old 04-22-2018, 10:52 AM
  #3891  
techweenie
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Last night: drove to the Porsche Experience center for a Hagerty event. Did a hot lap in a new GT3. Supposedly only 50 HP more than my car, but Launch Control is something you have to experience: 0-60 in 3 seconds.
Old 04-22-2018, 11:39 AM
  #3892  
Dock
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Originally Posted by techweenie
Supposedly only 50 HP more than my car, but Launch Control is something you have to experience: 0-60 in 3 seconds.
Being 300+ pounds lighter than your Turbo doesn't hurt either.
Old 04-23-2018, 04:09 PM
  #3893  
techweenie
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Originally Posted by Dock
Being 300+ pounds lighter than your Turbo doesn't hurt either.
140 - assuming the driver was 160. :-)

Went to Luftgekuhlt yesterday - where water-based coolants are unwelcome. Did not wear clothing branded Wasserkuhlt, but I sure thought of it.
Old 04-23-2018, 04:19 PM
  #3894  
Dock
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Originally Posted by techweenie
140 - assuming the driver was 160. :-)
How much does your car weigh with no driver or passenger?
Old 04-23-2018, 04:28 PM
  #3895  
techweenie
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Originally Posted by Dock
How much does your car weigh with no driver or passenger?
Not sure - haven't weighed it.

Looked it up & the Internet says 3,428 lbs.
Old 04-23-2018, 05:14 PM
  #3896  
Dock
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Originally Posted by techweenie
Not sure - haven't weighed it.

Looked it up & the Internet says 3,428 lbs.
Excellence Magazine and NADA list the weight as 3660 pounds. I don't think those are accurate though in terms of no driver/passenger and a full tank (seems too high).

The GT3 is listed at 3153 pounds.
Old 04-23-2018, 05:24 PM
  #3897  
techweenie
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Originally Posted by Dock
Excellence Magazine and NADA list the weight as 3660 pounds. I don't think those are accurate though in terms of no driver/passenger and a full tank (seems too high).

The GT3 is listed at 3153 pounds.
Agreed. though I specifically searched the weight of a TT Tip Cab at 3,428. Go figure.

In any case, It wasn't apples & apples because Porsche Experience Center doesn't hand you the keys - you have to be driven. So the driver adds a weight penalty.
Old 04-23-2018, 05:31 PM
  #3898  
Dock
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Originally Posted by techweenie
...Porsche Experience Center doesn't hand you the keys - you have to be driven. So the driver adds a weight penalty.
That's too bad about not being able to drive.
Old 04-23-2018, 05:57 PM
  #3899  
Carlo_Carrera
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Originally Posted by Dock
Excellence Magazine and NADA list the weight as 3660 pounds. I don't think those are accurate though in terms of no driver/passenger and a full tank (seems too high).

The GT3 is listed at 3153 pounds.
Dry Coupe Tiptronics are 3494, manuals are 3395. Cabs are even heavier than that.
Old 04-25-2018, 10:55 PM
  #3900  
manimal
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Default 997 transmission carrier

Installed the new 997 part # transmission mount.



The old mount was not completely destroyed as some I've seen (my car has 50k miles, for reference), but still due for replacement:



Out with the old:



In with the new:



Much better:



All in all, not too tough of a job, but a little bit of a pain if you don't have a lift. The 16mm side facing nose bolts are torqued to 85lbs. with blue threadlocker, so that was a bit challenging without being able to fit a long breaker bar.

Before I got the car 1.5 years ago, I never would have envisioned doing these kinds of jobs myself, though -- all of the DIY'ers on here are really encouraging. Likewise, I would encourage anyone inclined to tackle this job themselves!

Sorry, no driving impressions yet. I have a few more things to take care of before she comes down off the jackstands.


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