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Injector Constant??

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Old Aug 19, 2006 | 08:03 PM
  #1  
pmpn's Avatar
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From: Abilene, TX
Car: 1989 GTA
Engine: 5.7 TPI
Transmission: A4
Axle/Gears: 3.23
Injector Constant??

I'm fresh to Proms and have done a search... I am confused on how the injector constant is calculated(165). I want it to reflect my 30# injectors, I have read to simply enter 30 and I have read a formula 10158.8/injector size. My stock chip for 22# is set at .16 single and .031 double. Very low. I appreciate all responses. Thanks!
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Old Aug 19, 2006 | 08:25 PM
  #2  
mnorton's Avatar
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From: Northern California, Redding
Car: Red 1987 IROC Convertible
Engine: 305 LB9 TPI
Transmission: T5 5-Speed
Axle/Gears: 9-Bolt 3.45
.16 and .031? That sounds to me like you are viewing your bin with the wrong xdf.

What year is the car/ecu?
What bin are you using?
What xdf are you using?
What software are you using?
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Old Aug 19, 2006 | 08:38 PM
  #3  
pmpn's Avatar
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Joined: Apr 2004
Posts: 262
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From: Abilene, TX
Car: 1989 GTA
Engine: 5.7 TPI
Transmission: A4
Axle/Gears: 3.23
What year is the car/ecu?
1989/ 27c128
What bin are you using?
APYU
What xdf are you using?
6E
What software are you using?
TunerPro RT

I have a custom prom from Ed Wright for the stock injectors and it reads .16 single/ 7.35 double.
After opening ARAP and APYP bins that were in the TunerPro downloaded folder, the numbers are correct 22.XX

What is mask 1D?

Last edited by pmpn; Aug 19, 2006 at 09:01 PM.
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Old Aug 19, 2006 | 09:43 PM
  #4  
Z69's Avatar
Z69
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Joined: Sep 2003
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From: Texas
Sounds like he tweaked the bin so you couldn't edit it easily yourself.

Mask ID = 6E, 32, 8D, 58 etc....
It's basically the name of the template used to edit the various bins.
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Old Aug 19, 2006 | 11:10 PM
  #5  
pmpn's Avatar
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Joined: Apr 2004
Posts: 262
Likes: 2
From: Abilene, TX
Car: 1989 GTA
Engine: 5.7 TPI
Transmission: A4
Axle/Gears: 3.23
Maybe I have a bad programmer? I have a used Burn1, everytime I read the stock chip most of the data changes. I will program a new chip and reread it and the data changes as well...
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Old Aug 19, 2006 | 11:47 PM
  #6  
Z69's Avatar
Z69
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Joined: Sep 2003
Posts: 1,409
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From: Texas
No idea where you should start except for that ain't right.
Do a separate post on it, or get with Craig.
And don't run any chips till you get it resolved.
It sounds like a communications issue.
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Old Aug 20, 2006 | 11:56 AM
  #7  
JP86SS's Avatar
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From: Browns Town
Car: 86 Monte SS (730,$8D,G3,AP,4K,S_V4)
Engine: 406 Hyd Roller 236/242
Transmission: 700R4 HomeBrew, 2.4K stall
Axle/Gears: 3:73 Posi, 7.5 Soon to break
I see theem now.
didn't know they were used in MAF.

Last edited by JP86SS; Aug 20, 2006 at 12:02 PM. Reason: There are constants in there :)
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