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maf tables

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Old Jun 16, 2004 | 03:56 PM
  #1  
level's Avatar
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Joined: Apr 2003
Posts: 333
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From: chicago il
Car: 1987 transam
Engine: 383 /w superram
Transmission: 700r4 /w 2800rpm stall
maf tables

i just started tunning my car and i have the BLMs close to 128. at idle its around 130.. but i had to mess with the maf scalers ALOT to get it close i had to increase the first table a good 20 points.. this is with 30lb injectors.. i've read you're not supost to mess with the maf tables alot. but it seems to be the only way to get the blms close to 128 besides butchering the injector constant?

and at 2000rpm tunerpro is showing 14.00 grams is that normal?

Last edited by level; Jun 16, 2004 at 04:21 PM.
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Old Jun 16, 2004 | 06:01 PM
  #2  
Grumpy's Avatar
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Joined: Jun 2000
Posts: 7,554
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From: In reality
Car: An Ol Buick
Engine: Vsick
Transmission: Janis Tranny Yank Converter
Re: maf tables

Originally posted by level
i just started tunning my car and i have the BLMs close to 128. at idle its around 130.. but i had to mess with the maf scalers ALOT to get it close i had to increase the first table a good 20 points.. this is with 30lb injectors.. i've read you're not supost to mess with the maf tables alot. but it seems to be the only way to get the blms close to 128 besides butchering the injector constant?
and at 2000rpm tunerpro is showing 14.00 grams is that normal?
At one time they weren't very well understood, and it wasn't suggested to play with them. Times have changed since then.

If you're running close to 128s, you're fine.

The more important guestion is how's it running?. Good/fair mileage, temps reasonable, etc..
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Old Jun 16, 2004 | 06:25 PM
  #3  
level's Avatar
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Joined: Apr 2003
Posts: 333
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From: chicago il
Car: 1987 transam
Engine: 383 /w superram
Transmission: 700r4 /w 2800rpm stall
temps stay around 200 i have the fan on set to 200 and off set to 195
very poor gas mileage

sorry i can't post scanner logs my laptop doesn't have a eithernet card.. so its sorta hard to network it.

EDIT: one important thing i noticed in tunerpro is that the Intergrator (INT) would drop to 50 and turn red at times? none of the n00bie articles really said anything about intergrator.. so i really have no clue what it does?

and as i get closer to 128 at idle the car doesn't want to idle at all. i have to peddle it to keep it going for about 40 seconds then the idle stabilizes?
i was reading that some larger injectors need a shorter pulse width would it be wise to uncheck the calculate bpw and set it manually to 45/40?

Last edited by level; Jun 16, 2004 at 06:58 PM.
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