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 to adjust air flow in carb ?

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Old Apr 29, 2004 | 08:36 PM
  #1  
ajmcmahon's Avatar
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Car: Pontiac Trans Am
Engine: Stock 305
how to adjust air flow in carb ?

when i floor the gas in drive, from a stand still or while cruising at any given speed there is always a delay for about 3-4 seconds before the engine actually kicks in.

now i was told its probably to much air is getting to it first before the gas? now is this a common, fixable thing ... does this even sound right with my problem ?
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Old Apr 29, 2004 | 09:21 PM
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From: Orange County,NY
Car: 1982 Z28
Engine: 355
Transmission: T56
Axle/Gears: 12 Bolt
We need more info!Engine?Intake?Carb?Cam?Converter?Trans Type?Rear Gear ratio?Be specific
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Old Apr 29, 2004 | 11:41 PM
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From: dallas tx
is it a double pumper or a vaccuum secondary carb?

i would try switching to a lighter secondary spring, if it's for a vacuum secondaries carb. if not, could be that your accelerator pump is not doing its job.
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Old Apr 30, 2004 | 08:56 AM
  #4  
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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
I assume "stock 305" means q-jet.

Go here first https://www.thirdgen.org/newdesign/tech/quadrajet.shtml . The very first topic is what you're experiencing. Before you do anything, though, make sure your ignition is up to snuff. Retarded timing, weak plugs, wires or coil will also come into play here. And, most cars will tolerate an increase in base timing advance, up to 6 degrees is not uncommon.

The secondary tuning is all what q-jet performance is about, especially a computer-controlled q-jet.
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Old Apr 30, 2004 | 10:43 AM
  #5  
ajmcmahon's Avatar
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Car: Pontiac Trans Am
Engine: Stock 305
Originally posted by onebad82z
We need more info!Engine?Intake?Carb?Cam?Converter?Trans Type?Rear Gear ratio?Be specific
ah sorry, yeh-

1984 Pontiac Trans Am

305 ci V8 LG4

700-R4, which i assume is the stock one.

imma read that article thanks.
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