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

How about this DME report?

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Old Oct 18, 2016 | 04:37 PM
  #16  
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Originally Posted by GT996
In the hand of someone who knows what to do you can place your personal order and get what you desire. You can't trust what you see and have to put everything into perspective and relation to other things. Some things are not stored in a single location.

Most tunes don't handle these overrev settings or not well enough. This is especially the case when #2 counts while #1 doesn't.

Counters do not roll over. Once full (65535), they stay there.

Trigger settings are a fixed rev value for #1 and then a difference on top of that for #2. Running into the rev limiter counts #1, which is pretty normal. Going beyond that past the #2 distance value activates #2 counting. From a technical point there is no #2 counting without #1 counting when everything is setup well.

However: the revs/min is not a perfect measurement and some prediction comes into play as well. Depressing the clutch while the foot is not off the throttle control jumps the revs quite quickly.

There is more to it. These are just a few brief points.
Agreed on the 'counters' do not roll over. I put some info on a x-posting from a quote on RL I replied to with this topic...

My range 1 count was 65,535 when I bought my turbo two years ago. That is the max that the DME will register. Range 2 was like 940. I'm guessing just lots of time bouncing off the rev limiter on upshifts to which I've added at the track.
There is a reason for this. In computing, an unsigned 16 bit integer (ie, Base16 number system 0-9 and A-F give us a HEX value for reference) has a max of 65,535 in BINARY or a Base10 (iirc from college)
 
Old Oct 25, 2016 | 08:48 AM
  #17  
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Hello, all:
How about my DME report?
2001, GT2
Thanks a lot.
 
Old Oct 25, 2016 | 02:26 PM
  #18  
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No problem there. 90hrs since any type 2.
 
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