LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Does my engine need an AFPR?

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Old Feb 4, 2003 | 03:59 PM
  #1  
trax's Avatar
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Joined: May 2002
Posts: 611
From: Chicago 'burbs
Does my engine need an AFPR?

Mods:

CC XE 224/230
Combination Motorsports Stage 2 heads (2.00" intake, 1.6" exh)
Hooker LT's
52mm TB

Completely stock fuel system.

Car will be dyno-tuned.

Do I need an AFPR? Or should I just get one just to have a lower duty cycle on my injectors?

Thanks!

--Trax
Old Feb 4, 2003 | 04:16 PM
  #2  
Ken95Z28's Avatar
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From: Tulsa, OK, USA
Did you get your heads yet?

I don't think you will need an AFPR
Old Feb 4, 2003 | 04:22 PM
  #3  
IDOXLR8's Avatar
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Joined: Apr 1999
Posts: 2,784
From: Rochester Hills, MI
What size injectors are you currently running?? You may want to step up to 30 lbers.
Old Feb 4, 2003 | 04:28 PM
  #4  
BUBBA's Avatar
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Joined: Dec 1969
Posts: 3,499
From: PORTLAND, OR, MULTNOMAH
I doubt that you need an AFPR. Your tune will be most likely be based on stock FP. Adjusting the FP wouldn't do you any good, especially if you have OBD11.

Any A/F adjustments must be programmed.JMHO
Old Feb 4, 2003 | 04:42 PM
  #5  
trax's Avatar
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Posts: 611
From: Chicago 'burbs
Hmm... I guess I'll try the stock one for now and see how things hold up. If my duty cycle is nuts I'll start swapping stuff out.

BTW, haven't got the heads back yet. I'm thinking about having Phil flow them when they arrive just so everybody has an idea what the numbers are.

--Trax
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