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

vaccum and fuel pressure

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Old Nov 11, 2007 | 08:34 PM
  #1  
royslsbry's Avatar
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Joined: Nov 2007
Posts: 164
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From: salisbury NC
Car: 1992 RS
Engine: 305
Transmission: 700r
vaccum and fuel pressure

How much fuel pressure is good on 1992 camaro 305 TBI and if I hook a vaccum gauge to the intake how much should the gauge read?
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Old Nov 11, 2007 | 09:58 PM
  #2  
RFmaster's Avatar
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Joined: Jan 2007
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From: OC CA
Car: 75 Beast
Engine: 383 +EBL Flash
Transmission: 700R4
Axle/Gears: 4.11 with 33"
Re: vaccum and fuel pressure

Depending on a cam, at idle, look for 16 to 20 in-Hg for factory stock cam.

//RF
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Old Nov 12, 2007 | 11:48 AM
  #3  
camaro55427's Avatar
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Joined: Oct 2007
Posts: 127
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Car: 89 Iroc z
Engine: 350 carbed
Transmission: built 700 R4 2200 stall
Axle/Gears: 3.73 10 bolt
Re: vaccum and fuel pressure

wat vacuum would b 13-14 psi?
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