Carburetors Carb discussion and questions. Upgrading your Third Gen's carburetor, swapping TBI to carburetor, or TPI to carburetor? Need LG4 or H.O. info? Post it here.

How do I select the right carburetor?

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Old Apr 24, 2010 | 04:02 PM
  #1  
marcopasco39's Avatar
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Joined: Apr 2010
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From: Mass
Car: '84 Trans Am
Engine: L69 stock
Transmission: T-5 B-W
Axle/Gears: 3.73
How do I select the right carburetor?

What would be a good edelbrock for my stock L69? Thanks

Last edited by marcopasco39; Apr 24, 2010 at 05:46 PM.
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Old Apr 24, 2010 | 11:28 PM
  #2  
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
Welcome aboard thirdgen.org.

Is your stock carb gone?
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Old Apr 27, 2010 | 07:01 AM
  #3  
marcopasco39's Avatar
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Joined: Apr 2010
Posts: 21
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From: Mass
Car: '84 Trans Am
Engine: L69 stock
Transmission: T-5 B-W
Axle/Gears: 3.73
Re: How do I select the right carburetor?

No, i have an old q-jet.
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Old Apr 27, 2010 | 07:51 AM
  #4  
84 z28's Avatar
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Joined: Apr 2006
Posts: 1,801
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From: Rochester NY
Car: 1984 z28
Engine: 355
Transmission: 700r4
Axle/Gears: Moser 9" 4.11
Re: How do I select the right carburetor?

Originally Posted by marcopasco39
No, i have an old q-jet.
then keep using it.
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Old Apr 27, 2010 | 08:05 AM
  #5  
five7kid's Avatar
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Posts: 43,187
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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
Originally Posted by five7kid
Is your stock carb gone?
Originally Posted by marcopasco39
No, i have an old q-jet.
Originally Posted by 84 z28
then keep using it.
Exactly. It's much better than an Edelbrock. That's why I asked if you still had the original carb.
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Old Apr 27, 2010 | 09:08 AM
  #6  
marcopasco39's Avatar
Thread Starter
Junior Member
 
Joined: Apr 2010
Posts: 21
Likes: 0
From: Mass
Car: '84 Trans Am
Engine: L69 stock
Transmission: T-5 B-W
Axle/Gears: 3.73
Re: How do I select the right carburetor?

any tips on tuning it up a bit? I'm not too familiar with carbs, but pretty tech saavy.
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Old Apr 27, 2010 | 10:19 AM
  #7  
Tobias05's Avatar
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Joined: Jul 2003
Posts: 2,779
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From: any clime or place...
Car: 1987 Camaro SC, 1999 Z28
Engine: GMPP 350HO, LS1
Transmission: Built 700r4/EDGE 3200, T56
Axle/Gears: 3.42 Eaton 7.625, 3.42 Zexel Torsen
Re: How do I select the right carburetor?

i would start by replacing your fuel filter and checking all those numerous vacuum hoses for leaks. check the voltage on the TPS as well. you already have the better rods and hanger so i won't suggest that upgrade.
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Old Apr 27, 2010 | 01:46 PM
  #8  
five7kid's Avatar
Moderator
25 Year Member
iTrader: (14)
 
Joined: Mar 2000
Posts: 43,187
Likes: 43
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
Originally Posted by marcopasco39
any tips on tuning it up a bit? I'm not too familiar with carbs, but pretty tech saavy.
Tuning what up?
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Old Apr 28, 2010 | 01:30 AM
  #9  
duckmanquacker's Avatar
Senior Member
 
Joined: Sep 2007
Posts: 568
Likes: 1
From: Leander,TX
Car: 84 Z28 / 88 Trans Am / 87 base
Engine: L69 H.O. / 468 BBC / 2.8 v6
Transmission: 89 700R4 / TH375B / 700R4
Axle/Gears: 3.73 open / 3.23 posi / 3.42 open
Re: How do I select the right carburetor?

Ive got several books for rebuilding the Q-Jet if you need some jet and rod choices for either power or economy let me know and I will help Identify the ones youll need.
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Old Apr 28, 2010 | 01:39 AM
  #10  
KNBlazer's Avatar
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Joined: Feb 2010
Posts: 1,125
Likes: 1
From: San Diego, California
Car: Trailblazer EXT 4.2 (Firebird Form)
Engine: 5.1 4bbl
Transmission: 700R4 Mega Raptor Level 4
Axle/Gears: 2.73
Re: How do I select the right carburetor?

is the 84 electronic? E4mE
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