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Still no closed loop idle

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Old Jan 21, 2003 | 09:57 AM
  #1  
justme's Avatar
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From: Amarillo, TX
Still no closed loop idle

Start the car, it idles fine in open loop, goes into closed loop, BLM's climb all the way up and it dies. I have 24 lb. injectors in it. Fuel pressure set at 47 with vac. line off. Inj. constant set to 25.6 which should be set to 26.15 but that would make it leaner then. I have messed with the VE table quite a bit and have a couple of cells pretty high. Here is my current TC bin.
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probablyascrewup(2).zip (15.1 KB, 16 views)

Last edited by justme; Jan 21, 2003 at 05:56 PM.
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Old Jan 21, 2003 | 05:47 PM
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leirch's Avatar
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From: Lima, Ohio
With that motor, I would imagine your probly out of injector.

What KPA does the car idle at? and what values do you have in your VE table at that KPA?
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Old Jan 21, 2003 | 06:09 PM
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From: Amarillo, TX
Usually idles between 60 & 65 KPA. In those cells I have

RPM MAP
55 60 70
900 81.6 87.9 93
1000 87.5 93.4 96.5
1100 91.4 96.5 98.4
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Old Jan 21, 2003 | 09:44 PM
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From: great lakes
have we tried another bin ?? its either that or youve got a serious fuel delivery issue. i cant fathom a car idle at 98% ve i cant even imagine it/
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Old Jan 21, 2003 | 10:59 PM
  #5  
justme's Avatar
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From: Amarillo, TX
This was read off a brand new stock AUJP prom I bought from the parts house. Any other suggestions on a bin to try. If someone could look at the bin and see if i did something majorly wrong.
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Old Jan 21, 2003 | 11:07 PM
  #6  
funstick's Avatar
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From: great lakes
best i can come up with is a bad save after edit id try a fresh start.
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Old Jan 22, 2003 | 01:36 AM
  #7  
SMasterson's Avatar
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From: Evansville, IN USA
Car: '89 GMC Pickup
Engine: 383 SBC Stealth Ram
Transmission: 700R4/VIG 3200
Originally posted by justme
Usually idles between 60 & 65 KPA. In those cells I have

RPM MAP
55 60 70
900 81.6 87.9 93
1000 87.5 93.4 96.5
1100 91.4 96.5 98.4
Well, I typed a longer replay but lost it when my file type was incorrect. I forget to zip my bin file. . .so. . . Just look at a bin file I've roughed out for my 383 in the past week back and forth to work.

You BLM update is too short.
Your idle is probably way too low in Target Idle vs Temp
You really are 834cc/Cly with those injectors and cam. I assume you have a healthy cam since your vacuum is so low.
I don't know why your BLM's go up. Should get rich with that kind of VE table settings!

Mine in those areas are:
55 60 70

900 30.5 40.2 44.5
1000 37.5 43.4 46.9
1100 41.0 44.5 47.7

Good luck! Let us know how it goes from here.

SBC 383 w/TFS 23° aluminum heads, full roller, 11:1 SRP's.
CC306 camshaft w/1.6 RR
730SD w/30# injectors, 58mm BBK, Holley Stealth Ram
700r4, 3.73 gears w/BFG drag radials
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Old Jan 22, 2003 | 01:41 AM
  #8  
funstick's Avatar
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From: great lakes
i still think there a problem with the binary itself. i opened it in tunercat and things except for the VE table looked pretty normal.
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Old Jan 22, 2003 | 08:58 AM
  #9  
justme's Avatar
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From: Amarillo, TX
I will check out that bin and change some stuff in mine and see what happens. I do have some 32 lb. injectors but at the time I put the motor together I didn't have any prom burning hard/software so I thought the smaller injectors would let me break it in. If I can get the bugs worked out I will swap them out.
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Old Jan 22, 2003 | 09:48 AM
  #10  
SMasterson's Avatar
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From: Evansville, IN USA
Car: '89 GMC Pickup
Engine: 383 SBC Stealth Ram
Transmission: 700R4/VIG 3200
Ok, let us know.

Also, when you get to making changes and wonder where you're at, with Tunercat you can load your bin file, then load a compare file, and Print All to File and that will create a text file of all the changes you've made. It helps sometimes to keep track of things.
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Old Jan 26, 2003 | 12:27 PM
  #11  
3.8TransAM's Avatar
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From: Schererville , IN
Car: 91 GTA, 91 Formula, 89 TTA
Engine: all 225+ RWHP
Transmission: all OD
Axle/Gears: Always the good ones
good gravy u mean all this time i didnt have to write reams of notebooks on changes and i could just have opened my bin, compared and printed ? with tc?

son of a @#$%@**

oh well lol
couple hundred bins and is till dont have tc figured out :-( oh well

thanks for the info though
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Old Jan 26, 2003 | 12:47 PM
  #12  
3.8TransAM's Avatar
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Joined: Feb 2000
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From: Schererville , IN
Car: 91 GTA, 91 Formula, 89 TTA
Engine: all 225+ RWHP
Transmission: all OD
Axle/Gears: Always the good ones
good gravy u mean all this time i didnt have to write reams of notebooks on changes and i could just have opened my bin, compared and printed ? with tc?

son of a @#$%@**

oh well lol
couple hundred bins and is till dont have tc figured out :-( oh well

thanks for the info though
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