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

Proto 24/20g VS Softronic 24/18g TODAY.

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Old Oct 10, 2009 | 06:29 PM
  #16  
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Originally Posted by ttboost
Brake boosting is: modulating the throttle and the brake simultaneously, in an effort to build some boost. When you let off the brake, you are already accelerating under (some) boost. VERY effective in roll racing.
...thanks.
 
Old Oct 10, 2009 | 06:56 PM
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Originally Posted by WOODTSTER
Brake boosting has changed the Validity of comparing various cars around the world
using 60-130 mph as the tool.
What do you mean Marty?
 
Old Oct 10, 2009 | 07:18 PM
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Originally Posted by WOODTSTER
Brake boosting has changed the Validity of comparing various cars around the world
using 60-130 mph as the tool.

I have a tendency to agree with this.

If you go from a dead roll, the car will not perform quite like it will from a brake boost scenario.

It does, however, come down to finding the sweet spot for your particular setup, and brake boosting is an advantage, if you can apply it.
 
Old Oct 10, 2009 | 07:25 PM
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Originally Posted by bmoores
Not sure my shift times seemed a little off on the graphs. Normally I'm a bit quicker but its hard to say. All depends on how well Todd can drive a stick. That is with me on pump and him on race. Race vs. race would be a different story i suspect.
Ben looks like you shifted well. Looks to me like the pump gas tune is pretty mild. Hopefully you can get some race gas this week and try it out prior to the mile.

Do you have a separate program for race gas or does ECU adapt?
 
Old Oct 10, 2009 | 07:43 PM
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Originally Posted by vrybad
I have a tendency to agree with this.

If you go from a dead roll, the car will not perform quite like it will from a brake boost scenario.

It does, however, come down to finding the sweet spot for your particular setup, and brake boosting is an advantage, if you can apply it.
Just like everything else..if you don't have it, it's no good...I've become quite fond of it, especially racing bikes...
 
Old Oct 10, 2009 | 07:47 PM
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Originally Posted by ttboost
Just like everything else..if you don't have it, it's no good...I've become quite fond of it, especially racing bikes...
I hear you!!

If I had it, I'd use it, too!!
 
Old Oct 10, 2009 | 07:55 PM
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I feel that brake boosting levels the playing field when compared to NA cars..
 
Old Oct 10, 2009 | 08:06 PM
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Originally Posted by VividRacingTX
I feel that brake boosting levels the playing field when compared to NA cars..
Finally...
 
Old Oct 10, 2009 | 08:25 PM
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How does brake boosting help 60-130? My understanding is that the car gets a running start (say at 35 or 40) and blasts through 60 at full boost wode open on the way to and past 130.
 
Old Oct 10, 2009 | 08:30 PM
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Based purely on the graphs posted, you can tell that the only reason Todd caught up was b/c of Ben's "relatively" (especially as compared to an auto) slow shift. When in gear, the pull seems to be virtually identical. Congrats Ben!

Peter
 
Old Oct 10, 2009 | 08:54 PM
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Originally Posted by ari
How does brake boosting help 60-130? My understanding is that the car gets a running start (say at 35 or 40) and blasts through 60 at full boost wode open on the way to and past 130.
You may or may not be at full boost by 60mph if you just stomp on it. When you break boost WHILE you are at 35 or 40, you get to full boost sooner...
 
Old Oct 11, 2009 | 06:31 AM
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Originally Posted by ttboost
You may or may not be at full boost by 60mph if you just stomp on it. When you break boost WHILE you are at 35 or 40, you get to full boost sooner...

Or you get this:

http://www.youtube.com/watch?v=pdzZIW60Cgc
 
Old Oct 11, 2009 | 06:41 AM
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Oh. That was low.
 
Old Oct 11, 2009 | 07:33 AM
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he he he he he Ben made me do it.Name:  evilplans.gif
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Old Oct 11, 2009 | 07:35 AM
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Those 20g's SHINE ONLY ON HIGH BOOST..On low boost they r same as the 18g's
 


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