997 Turbo / GT2 2006–2012 Turbo discussion on the 997 model Porsche 911 Twin Turbo.
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Centre Locking wheels upgradable?

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Old Nov 6, 2009 | 05:55 PM
  #16  
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Originally Posted by sharkster
The weird thing is that the centerlock wheel/kit ends up weighing 1 pound more than the regular 5 lug turbo wheel on the 2010....
Funny as this is the quote from Porsche:

"The advantages over a conventional five-hole screwed fitting include better driving dynamics and performance thanks to fewer rotating masses and, of course, faster wheel changes..."
 
Old Nov 7, 2009 | 10:52 AM
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Originally Posted by bbywu
Funny as this is the quote from Porsche:

"The advantages over a conventional five-hole screwed fitting include better driving dynamics and performance thanks to fewer rotating masses and, of course, faster wheel changes..."
Sharky is absolutely correct.
We are about to release our GT3/GT3RS centerlock wheels and they are actually heavier than our similar 5-lug designs.
Our engineers report that the bulk of the wheel's center section adds mass that cannot be removed. The hub size combined with the high fastening torque required makes the centerlock heavier, no matter what else you do to save weight.
HOWEVER, our new centerlock wheels will weigh about 7 lbs EACH less than the factory cast wheels. So weight savings are still a reality if you go to a forged design.
 

Last edited by Tech1_Mike; Nov 7, 2009 at 09:24 PM. Reason: Clarification
Old Nov 7, 2009 | 03:30 PM
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Originally Posted by 997tt RS 2.7
aftermarket from Porsche $5000 per WHEEL!!!!!!!!!!!!!!!!!!!: eek:

Very hard time believing you would need to drop $20,000 for some OEM heavy wheels. That just seems a bit ridiculous.
 
Old Nov 7, 2009 | 06:37 PM
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fwiw the torque to hold these wheels to the hub is 500Nm. Time to buy a new torque wrench.
 
Old Nov 7, 2009 | 07:50 PM
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Originally Posted by Tech1_Mike
Sharky is absolutely correct.
We are about to release our GT3/GT3RS centerlock wheels and they are actually heavier than our similar 5-lug designs.
Our engineers report that the bulk of the wheel's center section adds mass that cannot be removed. The hub size combined with the torque required makes the centerlock heavier, no matter what else you do to save weight.
HOWEVER, our new centerlock wheels will weigh about 7 lbs EACH less than the factory cast wheels. So weight savings are still a reality if you go to a forged design.
what are the weight of the oem gt3.2 wheels?
 
Old Nov 7, 2009 | 08:06 PM
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Originally Posted by Tech1_Mike
Sharky is absolutely correct.
We are about to release our GT3/GT3RS centerlock wheels and they are actually heavier than our similar 5-lug designs.
Our engineers report that the bulk of the wheel's center section adds mass that cannot be removed. The hub size combined with the torque required makes the centerlock heavier, no matter what else you do to save weight.
HOWEVER, our new centerlock wheels will weigh about 7 lbs EACH less than the factory cast wheels. So weight savings are still a reality if you go to a forged design.
Don't disagree with either of you...just catching Porsche in yet another marketing scheme.
 
Old Nov 7, 2009 | 09:23 PM
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Originally Posted by SRatha
what are the weight of the oem gt3.2 wheels?
The GT3 Centerlock wheels weigh 23.5 lbs up front and 28 in the rear.
They are very nice quality, made in Italy.
 
Old Nov 8, 2009 | 07:36 AM
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Originally Posted by Tech1_Mike
The GT3 Centerlock wheels weigh 23.5 lbs up front and 28 in the rear.
They are very nice quality, made in Italy.
Dang, those are heavy!
 
Old Nov 8, 2009 | 09:12 AM
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So the advantages are:

Increased cost.
Increased weight.
Deteriorated breaking.
Deteriorated handling.
Deteriorated acceleration.
More difficult to remove due to special tools required.

Being able to say, I have center locking wheels.

The worst thing about this whole thing is; I would have bought into this had it not been for this forum.
 
Old Nov 8, 2009 | 10:15 AM
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I'm so glad I started here in deciding how to option out my new 2010 TT. Crossing centerlock wheels off my list. Will add Tech1-110s or HRE P43s later.

Great info in this forum.
 
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