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It's alive! (Speed density, stock ECU)

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Old Sep 30, 2008 | 02:57 PM
  #76  
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From: Taftville, CT
Ran it on the dyno today. About 32psi, very conservative AFR and timing. Not too bad, but I was expecting a bit more. When I get a chance, I'll clean up AFR and throw some more timing at it.


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Old Sep 30, 2008 | 04:25 PM
  #77  
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From: h town
Holy crap that is large, but exciting. Seems like a nice usable powerband. Have any datalogs of a pull on map you would like to share.
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Old Sep 30, 2008 | 04:46 PM
  #78  
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Originally Posted by mchuang
Holy crap that is large, but exciting. Seems like a nice usable powerband. Have any datalogs of a pull on map you would like to share.
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Old Sep 30, 2008 | 04:50 PM
  #79  
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Holy crap that FPgreen drops off in boost with that 2.3!

16.5psi at 7400? lolz

What fuel?
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Old Sep 30, 2008 | 04:54 PM
  #80  
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From: Pensacola, FL
Originally Posted by mixmastermatt
What details do you want? Basically, I am using a JDM MAP sensor and GM AIT sensor to measure air flow instead of the stock MAF. My ROM is patched to do all the calculations and to disable any CEL associated with removing the MAF sensor. The only physical modifications required to do this is to wire the GM AIT sensor into the ECU in place of the stock sensor signal lead. Then use a 1kOhm resistor in place of the baro sensor. Finally, swap in a JDM MAP sensor. I'm trying to get someone to look at my ROM and see about porting the patch over to other ROM ID's.
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Old Sep 30, 2008 | 04:59 PM
  #81  
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From: Taftville, CT
Originally Posted by razorlab
Holy crap that FPgreen drops off in boost with that 2.3!

16.5psi at 7400? lolz

What fuel?
Tell me about it. 2.3l AND the full stage 3 head, boost plummets quick. I really wish I could have gotten the red instead, but I received the green 1 week before they announced the red was available.
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Old Sep 30, 2008 | 05:08 PM
  #82  
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How the drivability of the car in traffic ect.? Are you tuning with boost/vacum axis or what the ecu thinks is load after its calculation? I've been WAITING for this thread to come alive again
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Old Sep 30, 2008 | 05:10 PM
  #83  
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From: SE Houston
Awesomeness, keep the updates comin'

Also, Sweet Hella!
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Old Sep 30, 2008 | 05:23 PM
  #84  
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awesome, you gonna be at cart on sunday?
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Old Sep 30, 2008 | 05:28 PM
  #85  
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From: Taftville, CT
Originally Posted by Petey Turbo
How the drivability of the car in traffic ect.? Are you tuning with boost/vacum axis or what the ecu thinks is load after its calculation? I've been WAITING for this thread to come alive again
I haven't driven the car in traffic or on any public streets. It is still undergoing massive body work and registration expired 3 months ago.

Tuning is done via the stock fuel map and a MAP to MAF VE table that allows me to make the load curve look however I want it to, which is why I can push 30+ psi and still keep load under 300.
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Old Sep 30, 2008 | 05:36 PM
  #86  
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From: Opelika,AL
Originally Posted by mixmastermatt
Tuning is done via the stock fuel map and a MAP to MAF VE table that allows me to make the load curve look however I want it to, which is why I can push 30+ psi and still keep load under 300.
Thats awesome, it will make the available resolution in the stock ECU VERY useable with high flow setups.
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Old Sep 30, 2008 | 05:42 PM
  #87  
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From: northeast
94170015 please
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Old Sep 30, 2008 | 05:45 PM
  #88  
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From: Opelika,AL
Originally Posted by justboosted02
94170015 please
I'll take two,lol.
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Old Oct 1, 2008 | 07:53 AM
  #89  
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I can not wait to see this working for other ROMs.
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Old Oct 1, 2008 | 09:10 AM
  #90  
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From: Redmond - Lake Tapps ,WA
Good stuff. I've been waiting to see how things would turn out.

So do you think you will try and get a Red, or larger turbo? Or are you happy with the powerband as-is?
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