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fuel modifier setting

Old 12-20-2005, 07:21 AM
  #1  
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Default fuel modifier setting

this is my setup:
d16y8
chipped p28 w/uberdata conversion harness
tdo4l
450cc inj.

i've tried different maps such as dj fob's, my own and i still end up fowling the plugs. dj fob's did work alot better, but i'm not sure what the settings are for the fuel modifiers. i've follow the basemap instructions on the uberdata forum, but got a little lost on the fuel modifier part. can anyone help me with that?
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Old 12-20-2005, 03:42 PM
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Default Re: fuel modifier setting

it made it 53. so i don't mess with the main enrich, tps, cold, or o2 enrich?
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Old 12-20-2005, 05:05 PM
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Default Re: fuel modifier setting

i've tried it with 60 tps, 60 cold, 100 main, 100 o2. it starts up fine, but will still stall out and eventually the plug will foul out. i've tried 100 across the board same effect. i've also tried 53 which was the suggested number across the board and it still does the same thing. is it just my base map or could something else cause the problem?
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Old 12-20-2005, 07:39 PM
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Default Re: fuel modifier setting

My map worked fine as is for me, plugs always looked good. Make sure you use my map with uber 1.66 .
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Old 12-20-2005, 10:16 PM
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Default Re: fuel modifier setting

i did. i think it may be my injectors. when i installed them they weren't flush. i just readjusted the screws to make them tight. i'll redo them tomorrow and see what happens.
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Old 12-21-2005, 04:02 AM
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Default Re: fuel modifier setting

If your fouling plugs in short order with just normal driving select the first 5 vacuum columns and make a big fatty move. Like -15%.
Also, you can slam in some fresh plugs and just let it idle for like 20mins, and pull them. If they are S. African, take like 20% outa the 2nd and 3rd columns. Assuming you havnt molested the fuel maps, and they still retain their stock 2d curves, this will bring things inline pretty good. (idle and cruise areas)
I take it you dont have access to a WB?
This is just the quick and dirty seat of the pants shot-gun Etuneing, hahaha


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Old 12-21-2005, 07:18 AM
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Default Re: fuel modifier setting

yeah i don't have a wideband yet. still in the process of trying to get the car running. forgot to mention it only lasts about 20 secs before it stalls out and foul the plugs. if the injectors doesn't fix the problem than i will try your sugestion. thanks
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Old 12-21-2005, 03:28 PM
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Default Re: fuel modifier setting

well i redid the injectors and now my regulator squirts out gas when i try to start it. i'm not sure why. i've checked it out and took it off the fuel rail and noticed that there is an o-ring inside the rail and not the regulator. does that sound right? anyone with any ideas?
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