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.

stock carb question

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Old Sep 3, 2007 | 08:12 PM
  #1  
joshh44's Avatar
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From: Canada, Vancouver Island
Car: 1990 T-Top Camaro RS
Engine: engineless
Transmission: Trannyless
Axle/Gears: 10 bolt/3.08. soon to be axleless
stock carb question

hey all.
how much is the CFM on a stock carb from a 305 engine??
im thinking of switching my TBI to carb. would it be better just to get the intake and the carb from another 305 but the carbed version?
i was thinking of getting one at the auto wrecker and rebuild the carb.

or would it be better to get one from a 350??
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Old Sep 3, 2007 | 10:43 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
Some 305 q-jets are limited to around 600-650 CFM. All are capable of at least 750 CFM. See the sticky for a link to a tech article about optimizing a q-jet.

Canadian-delivered LG4's are non-computer controlled, but L69's are computer controlled. Be careful what you get.
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Old Sep 4, 2007 | 12:40 AM
  #3  
joshh44's Avatar
Thread Starter
Senior Member
 
Joined: Apr 2007
Posts: 665
Likes: 0
From: Canada, Vancouver Island
Car: 1990 T-Top Camaro RS
Engine: engineless
Transmission: Trannyless
Axle/Gears: 10 bolt/3.08. soon to be axleless
Re: stock carb question

oh ok.
ill check out the article.
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