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Clutch on 997 GT2

 
Old 03-13-2018, 11:37 AM
  #61  
El Dario Loco
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Another revival of this interesting thread.

I'm looking for a new clutch setup that can handle an upcoming E85 tune. The GT3 RS 4.0 clutch disc should be able to handle the increased torque right? Will keep the VTG:s and injectors stock for now so we are not talking crazy numbers here. And yes, I plan on switching to the RS LWFW and an appropriate pressure plate.

TIA!
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Old 03-13-2018, 06:33 PM
  #62  
powdrhound
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Originally Posted by TB993tt View Post
Thanks Kev, I am reving to 7400rpm max so I'm sure the 764 suffices.

I was intrigued by Pwdrhound's comments on the 487 somehow being "better" to use, I think he was saying it had less moment of inertia which somehow made it superior in use than the 764 even on lower rev applications ?
Just saw this. The 487 is simply a beefed up bolted 4.0 pressure plate. Since a failure of the riveted straps ends up ruining the bell housing, I feel that the bolted PP is cheap insurance especially if you track your car. I frequently see 7800-7900 on Motec so if you run track your car and run an elevated redline, the 487 is a no brainer. When I replaced the 764 with the 487, the clutch simply felt better, smoother if you will. I would never go back to the 764 personally. You must run a factory LWFW with the 487. It is not compatible with a DMFW.
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