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

60-130 MPH: A Better Performance Measurement Than The 1/4 Mile ET

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  #16  
Old 04-04-2006, 09:59 PM
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Originally Posted by Craig
I gave you credit Bill, and even linked to your original thread:

"Based on the foregoing, I will echo the sentiments previously shared by others here on 6Speed ( https://www.6speedonline.com/forums/s...threadid=19402 ) that a 60–130 mph measurement is a better indicator of the true power and performance of the 996TT."

I am merely following up on what you started!!!

Craig
Thanks Craig. I know you did. I hope it catches on here like it has elsewhere. The AX22 makes this even more exciting.
 

Last edited by Bill S.; 04-04-2006 at 10:06 PM.
  #17  
Old 04-04-2006, 10:05 PM
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Originally Posted by vincentdds
Tires and PSM are also a factor
Not so much with 60 to 130 since most cars, especially 4WD, don't have the power to spin the wheels at those speeds. And, if they do, they'll get a slower 60 to 130. The other factors are crucial because they may show a fast 60 to 130 that's not realistic or practical (e.g., someone doing it downhill or with 100 octane).
 
  #18  
Old 04-04-2006, 10:07 PM
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Do you guys think that turbo cars may have an advantage over NA cars in this category?
 
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Old 04-04-2006, 10:15 PM
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Originally Posted by SCM3
However i dont think going on R&D and subtracting the 0-130mph from the 0-60mph would give a correct 60-130mph time reading. Its less accurate this way and you are already at speed passing the 60mph mark. Also the level of the road is a major factor.

My car does 60-130 on a level road in 8.8 seconds. Pretty fast for a little M3!
That is very fast for an M3. I have an M3 and it's much slower than that. How did you time that and what mods?

BTW, you can compare 60 to 130 to R&T as long as you pass the 60 MPH mark in the same gear that R&T did. You can sometimes get a faster 60 to 130, depending on the car, by starting in a lower gear to save a shift between the 60 and 130 timing points.
 
  #20  
Old 04-04-2006, 10:18 PM
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Originally Posted by RennTechV12
Do you guys think that turbo cars may have an advantage over NA cars in this category?
No. The horsepower curve and gearing are the main things. Torque doesn't matter as much at 60 MPH+. It doesn't matter if it's a Turbo or not. The CGT is not a turbo and it has one of the fastest production 60 to 130 times. 7.3 or so if I recall.
 

Last edited by Bill S.; 04-04-2006 at 10:21 PM.
  #21  
Old 04-04-2006, 10:23 PM
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Originally Posted by Bill S.
No. The horsepower curve and gearing are the main things. Torque doesn't matter as much at 60 MPH+. It doesn't matter if it's a Turbo or not. The CGT is not a turbo and it has one of the fastest production 60 to 130 times. 7.3 or so if I recall.
As does the Enzo
 
  #22  
Old 04-04-2006, 10:23 PM
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Originally Posted by Bill S.
No. The horsepower curve and gearing are the main things. Torque doesn't matter as much at 60 MPH+. It doesn't matter if it's a Turbo or not. The CGT is not a turbo and it has one of the fastest production 60 to 130 times. 7.3 or so if I recall.
This is true. I love that car because it seems to have instant power in any gear. The more I drive it, the more I love it!
 
  #23  
Old 04-04-2006, 10:27 PM
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Originally Posted by RennTechV12
This is true. I love that car because it seems to have instant power in any gear. The more I drive it, the more I love it!
That instant power is due to the small rotational mass in the CGT engine, not the horsepower. The CGT has lightweight engine components (like titanium connecting rods) and a light small-diameter clutch that allow the engine to rev-up very fast. The Ferrari CS also revs as fast for the same reason. That's part of the reason why the CGT is so fast on the track. When you step on a CS throttle quickly, it sounds like the engine is "barking" at you, like a dog. You can't even here it rev up, like the CGT. Turbos can't do that. That's why they'll always be slower than a NA car with the same HP around the track.
 

Last edited by Bill S.; 04-04-2006 at 10:31 PM.
  #24  
Old 04-04-2006, 10:30 PM
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  #25  
Old 04-04-2006, 10:37 PM
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Originally Posted by Porscheboy16
As does the Enzo
Yes. With it's power, fast throttle response and very fast F1 transmission, it's like the car is connected to your brain. Really a thrill to drive. It's unlike anything else. The F1 transmission is just unbeatable.
 
  #26  
Old 04-04-2006, 10:45 PM
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Originally Posted by Bill S.
That instant power is due to the small rotational mass in the CGT engine, not the horsepower. The CGT has lightweight engine components (like titanium connecting rods) and a light small-diameter clutch that allow the engine to rev-up very fast. The Ferrari CS also revs as fast for the same reason. That's part of the reason why the CGT is so fast on the track. When you step on a CS throttle quickly, it sounds like the engine is "barking" at you, like a dog. You can't even here it rev up, like the CGT. Turbos can't do that. That's why they'll always be slower than a NA car with the same HP around the track.
Never really thought about it that way, but you're right. Don't know if you've seen it or not but here's a video of me and a buddy handing the beatdown to a Vette in the CGTs:
http://video.google.com/videoplay?do...65139264545507
 
  #27  
Old 04-04-2006, 10:52 PM
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Originally Posted by RennTechV12
Never really thought about it that way, but you're right. Don't know if you've seen it or not but here's a video of me and a buddy handing the beatdown to a Vette in the CGTs:
http://video.google.com/videoplay?do...65139264545507

Nice video. That Vette was obviously not stock or you'd be much further ahead on that straight.
 
  #28  
Old 04-04-2006, 10:55 PM
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Originally Posted by Bill S.
Nice video. That Vette was obviously not stock or you'd be much further ahead on that straight.
I agree, from the sound, he's got headers and cat back, good for another 35hp on the C6.
 
  #29  
Old 04-04-2006, 11:30 PM
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I dont know how most people get these times, but ive seen a car do 60-130 in 5.2sec on low boost (36psi)
 
  #30  
Old 04-04-2006, 11:42 PM
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Originally Posted by Bill S.
That is very fast for an M3. I have an M3 and it's much slower than that. How did you time that and what mods?

BTW, you can compare 60 to 130 to R&T as long as you pass the 60 MPH mark in the same gear that R&T did. You can sometimes get a faster 60 to 130, depending on the car, by starting in a lower gear to save a shift between the 60 and 130 timing points.
I have a whole bunch of mods mainly being a supercharger.

I timed my run from a speedo video i have. I went from 60(was not accelerating before) till the end of my speedo. I timed the duration of 60-135 with a video editor (accurate timing). If i was to be WOT before 60 mph my time would have been faster for sure.

But the R&T times are recorded from 0 and up. Meaning your already accelerating before the 60 mph mark. This gives you some more speed as your passing 60 mph and will shorten the time from 60 - 130 mph. You can do it this way but you should state you were at WOT before 60. Its not fair for times to be compared without the same conditions (such as WOT b4 60 mph, or WOT at 60 mph).
 


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