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996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Those damn rods! but wait what about the crank?

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Old Mar 7, 2007 | 11:00 PM
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Originally Posted by topgun
Show off! remember I have yellow brakes ...tom
Remember i have bigger turbos...ooops, did I just say that....just kidding...well, not really.....
 
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Old Mar 7, 2007 | 11:01 PM
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Originally Posted by joetwint
Good work guys,when do you think they will be done?
Joe, not soon enough , hopefully by april! I hope ...tom
 
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Old Mar 7, 2007 | 11:03 PM
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Originally Posted by KPG
Remember i have bigger turbos...ooops, did I just say that....just kidding...well, not really.....
Tom ya gotta watch Kevin!
 
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Old Mar 7, 2007 | 11:04 PM
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Originally Posted by joetwint
Tom ya gotta watch Kevin!
Joe, I want him staring at the ceiling tonight wondering...does he really have bigger turbos? Kevin
 
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Old Mar 7, 2007 | 11:05 PM
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Originally Posted by joetwint
Tom ya gotta watch Kevin!
Tell me about it! , that's what brothers are for!
 
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Old Mar 7, 2007 | 11:05 PM
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Originally Posted by topgun
Joe, not soon enough , hopefully by april! I hope ...tom
Better hurry up,I might be cruising L.I. in a TT viper w/1400rwhp by then! I hope to see it soon.
 
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Old Mar 7, 2007 | 11:06 PM
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Originally Posted by joetwint
Better hurry up,I might be cruising L.I. in a TT viper w/1400rwhp by then! I hope to see it soon.
Your just out of control!
 
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Old Mar 7, 2007 | 11:06 PM
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Originally Posted by KPG
Joe, I want him staring at the ceiling tonight wondering...does he really have bigger turbos? Kevin
LMAO!
 
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Old Mar 7, 2007 | 11:07 PM
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You guys are NUTS lollllll!!!
 
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Old Mar 7, 2007 | 11:27 PM
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Originally Posted by topgun
Your just out of control!
Funny,my wife says the same thing......huh !
 
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Old Mar 8, 2007 | 06:09 AM
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Now here is the crank for strength to 10,000+ rpm's. The journals have been reconfigured to 2.0" to fit NASCAR Oval bearings.









And the rods.





 
Last edited by cjv; Mar 8, 2007 at 06:27 AM.
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Old Mar 8, 2007 | 06:21 AM
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Originally Posted by cjv
Now here is the crank for strength to 10,000+ rpm's. The journals have been reconfigured to 2.0" to fit NASCAR Oval bearings.





Sorry for my ignorance, but could you elaborate on the oval bearings?
Thanks!
 
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Old Mar 8, 2007 | 06:33 AM
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Originally Posted by silvershark
Sorry for my ignorance, but could you elaborate on the oval bearings?
Thanks!
During constant high rpm operation round bearings distort leading to oil issues. NASCAR series developed an oval bearing that under high rpm's, provides a near perfect circle around the crank journal. The reduced bearing size also drops recipicating weight off the crank along with reducing the diameter providing less friction surface.
 
Last edited by cjv; Mar 8, 2007 at 06:37 AM.
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Old Mar 8, 2007 | 07:22 AM
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Verry nice Cjv, I should have a few pictures verry soon!...tom
 
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Old Mar 8, 2007 | 09:23 AM
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Chad, I understand that at high RPMs you will have a near perfect round bearing. So that means that most of the time you are driving the bearings will not be perfectly round. Do you think this will lead to shorter engine life?
 
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