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carb flooding problem

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Old Jan 21, 2010 | 07:16 PM
  #1  
dj_phoenix's Avatar
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From: san antonio, TX
Car: 1986 firebird
carb flooding problem

ok i went out and got a fuel pressure gauge, and installed it on the fuel line. never used this before so i gotta ask, is it normal for the needle on the gauge to be fluxuating rapidly between 4 and 8 rapidly. can anyone tell me if this is normal? i wouldnt think so but i wanna make sure. the carb just got back from the shop and is flooding rite as i start it up.
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Old Jan 21, 2010 | 09:55 PM
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five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Mechanical fuel pump?
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Old Jan 21, 2010 | 10:34 PM
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dj_phoenix's Avatar
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From: san antonio, TX
Car: 1986 firebird
Re: carb flooding problem

yes mechanical fuel pump, quadrajet carb. fuel pump is less than 3 months old also.
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Old Jan 22, 2010 | 08:50 PM
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From: Short Summer, VT
Car: 1985 Trans Am T-Top
Engine: 305 TPI
Transmission: T-5 5 Speed
Axle/Gears: 3.42 posi 1LE 10 bolt
Re: carb flooding problem

yes, normal for a mech pump, but better guages dont fluctuate quite so much. that means you have about 6psi, which should be ok.
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Old Jan 23, 2010 | 12:54 AM
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dj_phoenix's Avatar
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From: san antonio, TX
Car: 1986 firebird
Re: carb flooding problem

thanks for the help
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