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Is AE multiplied by the BPW?

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Old Aug 11, 2003 | 06:43 PM
  #1  
Low C1500's Avatar
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From: Red Deer, Canada
Car: 89 Shortbox
Engine: 350 Vortec
Transmission: 700r4
Is AE multiplied by the BPW?

I'm pretty sure that its not according to the 747 hack, If you know please tell me.
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Old Aug 11, 2003 | 07:37 PM
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RBob's Avatar
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Re: Is AE multiplied by the BPW?

Originally posted by Low C1500
I'm pretty sure that its not according to the 747 hack, If you know please tell me.
No.

RBob.
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Old Aug 11, 2003 | 07:53 PM
  #3  
funstick's Avatar
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From: great lakes
AE is derived from calculated BPW then its added on. im not sure exactly how its handled in the 747 but at some point the output of the VE calcutlated PW has to be used in the AE calcs. or added to it. but i cant speak 100% for the 747.
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Old Aug 13, 2003 | 12:32 AM
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Car: 91 Red Sled
Axle/Gears: 10bolt Richmond 3.73 Torsen
RBob and I just had the talk about this the other day. In the 7747 and 8746 code the injector constant and bpw have nothing to do with AE, only PE mode desired AFR calculations.
AE is added to the final bpw. A classic example of why my AE tuning is near stock and my motor isn't: 28psi of fuel pressure . In fact I'm running slightly rich with tip in so I'm going to try reducing tps AE and keep the MAP AE as is.
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