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FI Air Flow: Compare & Discuss

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Old Jun 29, 2009 | 11:39 PM
  #26  
J.Cab's Avatar
1st RX8 BNR Turbo Owner..
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From: San Antonio, Texas
Originally Posted by Brettus
nice bump . I forgot about this thread .
FWIW I tried to get maf figures at the same time as i dynoed last . Unfortunately I discovered that when you hit the rev limiter (like when you dyno) it messes up the dudelogger and I didn't get the readings I wanted .
However later logs I did very strongly support the theory that peak wheel hp and peak maf numbers are very closely related .
Of course this only applies if your maf is properly calibrated IE target vs actual lambda is equal and LTFT = 0

JCAB - when are you off to the dyno ?
well I can tell you that I have been working with Kane a whole bunch the past couple of days working with the MAF Calibration. Target and actual AFR are dead on and LTFT & STFT = 0. So I am very happy with the PPO2 tuning process. I am going to dyno the car this friday.
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Old Jun 29, 2009 | 11:43 PM
  #27  
Brettus's Avatar
Boosted Kiwi
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From: Y-cat-o NZ
cool man - look forward to seeing that
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Old Jun 30, 2009 | 07:10 AM
  #28  
Kane's Avatar
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From: PCB
Originally Posted by J.Cab
Today-
353 g/s
7 psi
64 degrees
BNR Turbo
Yeah; your load numbers were very high as well.... it was pretty sweet to see.

I think the MAF is still off by a bit; but we'll nail it here in a day or two.
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Old Jun 30, 2009 | 10:05 AM
  #29  
J.Cab's Avatar
1st RX8 BNR Turbo Owner..
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From: San Antonio, Texas
Originally Posted by Kane
Yeah; your load numbers were very high as well.... it was pretty sweet to see.

I think the MAF is still off by a bit; but we'll nail it here in a day or two.
This was the 1.5 version (last one you sent me). It felt pretty damn good just needs a little more tweaking. But overall, the tune is badass and the turbo just wants to pull more and more.
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