C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

AFPR question

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Old Feb 27, 2004 | 11:35 AM
  #1  
86Pacecar's Avatar
86Pacecar
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From: NW MN
Default AFPR question

While taking my TPI set-up off for painting I noticed that my fuel pressure regulator looks like it has an adjustment allen screw on it. Not sure if this is correct or does the stock regulator look like this also? The previous owner did not mention this mod when I bought the car so any help would be appreciated.
Thanks
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Old Feb 27, 2004 | 12:02 PM
  #2  
War Machine's Avatar
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Default Re: AFPR question (86Pacecar)

Sounds like you have an AFPR. :thumbs:
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Old Feb 27, 2004 | 12:15 PM
  #3  
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Default Re: AFPR question (War Machine)

:iagree: Not Stock :seeya
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Old Feb 27, 2004 | 12:25 PM
  #4  
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Default Re: AFPR question (86Moon)

Yep, get a pressure gauge and tune away!! :seeya :steering:
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Old Feb 27, 2004 | 01:35 PM
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From: Norcross GA
Default Re: AFPR question (jmrl98)

AFPR is a means of tuning the WOT fuel settings w/o having to reprogram the ECM. For fome it is a hack approach to tuning. What more WOT fuel,... increase the FPress. Stock press is 43.5PSI (3BAR).

If you don't know how to tune,.. best not to mess w/ it. At stock press you won't hurt anything.
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Old Feb 27, 2004 | 01:50 PM
  #6  
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Default Re: AFPR question (ZylaRace)

Cool, a minor mod I don't have to pay for. :thumbs:
ZylaRace, I guess I'll be a hack and take advantage of this when I get my exhaust and injectors done. :D
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