997 Turbo / GT2 2006–2012 Turbo discussion on the 997 model Porsche 911 Twin Turbo.
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Bill Rader Motorsports Transmission on the Way!

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Old May 30, 2015 | 06:29 PM
  #31  
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Originally Posted by yumaverick
I would say a 1,000+ would benefit

Thanks for the response
 
Old May 30, 2015 | 10:03 PM
  #32  
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I wouldn't mind being able to carry 4th gear out to ~150mph or so.
 
Old May 30, 2015 | 10:22 PM
  #33  
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Originally Posted by rix
I wouldn't mind being able to carry 4th gear out to ~150mph or so.
Exactly! It is better than stock, but it does become a slippery slope!
 
Old May 31, 2015 | 01:49 AM
  #34  
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Originally Posted by rix
I wouldn't mind being able to carry 4th gear out to ~150mph or so.
I know buts it's having the power to use these ratios properly. They might be too long for what I was thinking.
 
Old May 31, 2015 | 02:01 AM
  #35  
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Originally Posted by GTRNICK
I know buts it's having the power to use these ratios properly. They might be too long for what I was thinking.
Yumaverick is dead on. It depends on the distance you are racing over, and whether or not the different ratios keep you car in a higher power output range for longer than the factory ones. 3 shifts in the 1/4 mile is certainly better than 4 shifts with one right at the end where you barely come back up on boost before crossing the finish.

Unless you're chasing tenths of a second you probably wouldn't notice any difference from gear ratio changes alone. Although people say the GT2-esque ratios are good for a large improvement 60-130, I myself haven't seen any data one way or the other.
 
Old May 31, 2015 | 02:06 AM
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Originally Posted by rix
Yumaverick is dead on. It depends on the distance you are racing over, and whether or not the different ratios keep you car in a higher power output range for longer than the factory ones. 3 shifts in the 1/4 mile is certainly better than 4 shifts with one right at the end where you barely come back up on boost before crossing the finish.

Unless you're chasing tenths of a second you probably wouldn't notice any difference from gear ratio changes alone. Although people say the GT2-esque ratios are good for a large improvement 60-130, I myself haven't seen any data one way or the other.

This is the problem Dan .

Off the record how is your Red beast doing?
 
Old Jun 2, 2015 | 11:49 PM
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Originally Posted by GTRNICK
This is the problem Dan .

Off the record how is your Red beast doing?
Sitting in the garage naked waiting for BBI to deliver the new exhaust! I really haven't been able to run it since early this year between storage .
 
Old Sep 3, 2017 | 08:31 AM
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Originally Posted by yumaverick
After hearing the amazing results CRR and Black Horse Turbo had with there transmission from Bill Rader, I decided to go the same route. I purchased a 996tt transmission and Bill is currently building it.

Parts list for the transmission:

-GT2RS main shaft with taller 1st and 2nd Gear
-Guard 3rd, 4th, and 5th gears
-Guard Billet 1st and 2nd Fork
-Factory racing 3rd and 4th Fork
-Steel Cage under Bearings
-Guards LSD

CRR was able to run a 3.7 60-130 at 900whp with this transmission without shifting since he has a GT3 Top end.

See Gear Chart Attached Below
How well did this gearbox hold up?
 
Old Sep 11, 2017 | 11:46 PM
  #39  
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Originally Posted by sid350
How well did this gearbox hold up?
Perfect
 
Old Sep 12, 2017 | 04:26 AM
  #40  
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Originally Posted by yumaverick
Perfect
Was 6th gear left stock? Don't see it mentioned. 3-5 were they straight cut?
 
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