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fuel pump???

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Old May 21, 2009 | 06:44 PM
  #1  
ziggy89's Avatar
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Joined: Mar 2007
Posts: 574
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From: Muscatine IA
Car: 91 Firebird Formula
Engine: 383
Transmission: built 700r4
Axle/Gears: 4.11, 9inch
fuel pump???

so i put a 383 stroker in the car this winter and i had it out at the track for the first time last weekend

now it pulled to 5500 in first and second gear but once in third around 4500 it just stoped pullin

was wondering if maybe the stock 305 fuel pump cant keep up let me know

thnx
zig
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Old May 21, 2009 | 07:41 PM
  #2  
87_355ci_Camaro's Avatar
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Joined: Sep 2006
Posts: 240
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From: pa
Car: 86 Iroc-Z
Engine: 310ci soon to be 355ci
Transmission: built 700r4
Axle/Gears: I think 3.08s
Re: fuel pump???

Is it efi or carb?
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Old May 21, 2009 | 08:38 PM
  #3  
ziggy89's Avatar
Thread Starter
Senior Member
15 Year Member
 
Joined: Mar 2007
Posts: 574
Likes: 2
From: Muscatine IA
Car: 91 Firebird Formula
Engine: 383
Transmission: built 700r4
Axle/Gears: 4.11, 9inch
Re: fuel pump???

its a carb now

it use to be a 305 tbi
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Old May 21, 2009 | 11:27 PM
  #4  
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
Very likely the TBI fuel pump isn't keeping up.
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Old May 22, 2009 | 09:53 AM
  #5  
87_355ci_Camaro's Avatar
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iTrader: (2)
 
Joined: Sep 2006
Posts: 240
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From: pa
Car: 86 Iroc-Z
Engine: 310ci soon to be 355ci
Transmission: built 700r4
Axle/Gears: I think 3.08s
Re: fuel pump???

Originally Posted by five7kid
Very likely the TBI fuel pump isn't keeping up.
Try a fuel pump from a tpi.
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