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V-AFC settings on turboed car w/450s???

Old 04-27-2004, 10:34 PM
  #1  
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Default V-AFC settings on turboed car w/450s???

Hey i just found out i forgot to reconnect the MAP sensor wires from my V-AFC.. so thats why my car was bogging like crazy when i tried to go and thats why it was throwing a MAP sensor code... well i fixed the problem and now i'm running -30% across the board and she idles almost perfect now and no CEL that i know of yet... there shouldn't be one with a RHB5 at 8 psi. well anyway just wanted to know if -30% across the board is wayyy to rich or what. i tried -40% but it seemed to idle weird..

Mason
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Old 04-27-2004, 10:42 PM
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Default Re:V-AFC settings on turboed car w/450s???

one setting across the board isnt going to be good, youll need to adjust for each RPM segment. so if idle works at -40 youll run lean at3000 PSI.. so you have to think of this logically
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Old 04-27-2004, 10:46 PM
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Default Re:V-AFC settings on turboed car w/450s???

i'm at -30% across.. thats enough fuel to supply across the power band.. but yeah i'll lean out the idle and the lower rpms. but its someplace to start
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Old 04-27-2004, 11:01 PM
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Default Re:V-AFC settings on turboed car w/450s???

..or just read the Engine Management FAQ, section 2, question 4?
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