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Super AFC Bought a car with SAFC installed, checking the tune

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Old 06-27-07, 09:37 AM
  #26  
Partout Performance

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I dunno, the kid who had the car before me took a GROUND WIRE and used it as a wire to make the O2 sensor wire longer. AKA 1 less ground, but atleast I can have a narrowband AF ratio monitor! Homo...
Old 06-29-07, 05:59 AM
  #27  
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Hi.
I got a AFC neo the last days, installation is also complete
I have a S4 TII and stock injectors, so I can run with zeros all over for the base
but I wanted to rich up the high boost section,
because with my self made overboost
switch enabled I run about 14 psi ( only use it for short time )
without overboost i have about 7 psi
I´ve got the exhaust gas temp monitored and already read 1080°C = 2000 Fahrenheit in overboost thats too much
, i dont have a wideband at the moment, but i have my narrowband displayed

I connected the AFC to the boost sensor instead of throttle, calibrated it on the autobahn with full vacuum and full (over)boost

than I started playing with the correction map and
i wonder about the little effect it does.

at high "throttle" i set the high rpm values all to +50%
i wanted to cool the exhaust gas temps. i still hit 970 °C = 1778 Fahrenheit

this might be barely ok , but im concerned as it is already at the limit of the correction map. maybe the only way is to go with larger injectors


i also got hesitations when the car is really warm/hot, but i have them since i´ve bought the car, i thought it is a mixture prob. thats why i bought the afc cause my narrowband showed lean. but it still remains when correcting to rich.

-Patrick
Old 06-29-07, 12:31 PM
  #28  
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Originally Posted by PatrickT
Hi.
I got a AFC neo the last days, installation is also complete
I have a S4 TII and stock injectors, so I can run with zeros all over for the base
but I wanted to rich up the high boost section,
because with my self made overboost
switch enabled I run about 14 psi ( only use it for short time )
without overboost i have about 7 psi
I´ve got the exhaust gas temp monitored and already read 1080°C = 2000 Fahrenheit in overboost thats too much
, i dont have a wideband at the moment, but i have my narrowband displayed

I connected the AFC to the boost sensor instead of throttle, calibrated it on the autobahn with full vacuum and full (over)boost

than I started playing with the correction map and
i wonder about the little effect it does.

at high "throttle" i set the high rpm values all to +50%
i wanted to cool the exhaust gas temps. i still hit 970 °C = 1778 Fahrenheit

this might be barely ok , but im concerned as it is already at the limit of the correction map. maybe the only way is to go with larger injectors


i also got hesitations when the car is really warm/hot, but i have them since i´ve bought the car, i thought it is a mixture prob. thats why i bought the afc cause my narrowband showed lean. but it still remains when correcting to rich.

-Patrick


DO NOT TUNE WITHOUT A WIDEBAND.

[/hijack]
Old 06-29-07, 02:44 PM
  #29  
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at high "throttle" i set the high rpm values all to +50%
be carefull not to over load your injectors. I don't know how to figure it out, but you should find out the duty cycle your running the injectors otherwise they could overheat.
Old 07-05-07, 09:56 AM
  #30  
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Any updates FRFC3S?
Old 07-05-07, 10:21 AM
  #31  
Partout Performance

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Nah it's still on there, hanging out at 0%. If the thing is working, does that mean it's done right or is there a posibility for it to work but not be wired right? My AFL or AF1 or whatever is like 3%.

I've been checking for vacuum leaks and stuff.

You buying that system Rota? :P
Old 07-05-07, 04:38 PM
  #32  
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I would still pull up the carpet and get to the ECU to see just how its wired. I could possibly scan in a wiring diagram so you can see how it should be wired

I wont be able to purchase your system. I can't buy anything right now unfortunatly. I thought I could. I got my hopes up. Sorry
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