TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

92 305 fuel pressure

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Old Nov 1, 2007 | 12:28 AM
  #1  
topless roc's Avatar
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Joined: Aug 2006
Posts: 12
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From: Cape Girardeau, MO
Engine: 305 TPI
Transmission: 700R4
92 305 fuel pressure

Hello does anyone know if you can swap a 3.1 fuel pump into 5.0 TBI with out pressure problems? I need a pump for 5.0 and I have a complete tank from a 3.1 with a new pump in it.
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Old Nov 1, 2007 | 12:41 AM
  #2  
rocko350's Avatar
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Joined: Sep 2004
Posts: 206
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From: mount airy md
Car: 1991 caprice / 96 caprice
Engine: 4?? bbc / lt-1
Transmission: 700r4 / 4l60e
Axle/Gears: 4.10/ 3.73
Re: 92 305 fuel pressure

quick search on the v6 section comes up with a 45-55 psi pump but no flow ratings. you night get away with it for a short time but i would just plunk down the 65 bucks to get a new 190 lph wahlbro in there. hth
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Old Nov 1, 2007 | 07:21 PM
  #3  
bluers91's Avatar
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Joined: Dec 2005
Posts: 443
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From: Wild Blue Yonder
Car: 1991 RS Camaro
Engine: 350 TBI
Transmission: 700R4
Axle/Gears: 3.42 Posi
Re: 92 305 fuel pressure

I 2nd that. Since you have the tank out you really should upgrade the pump anyway. Its not even worth the trouble not to even if it works you'll be replacing it sooner or later anyway.
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