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.

carbs and 305's

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Old Jun 27, 2005 | 09:51 PM
  #1  
91sleeperRS's Avatar
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From: Norfolk, VA
Car: Sold my Thirdgens, want another one
Engine: L98/TPI
Transmission: 5-speed
Axle/Gears: 3.45
carbs and 305's

i know im gonna catch hell for this, but i swear it wasnt my fault! when i bought my car, it came with a 750cfm eldelbrock carb on my 305. thats what the previous owner installed, not me. i have recently parked the car do to a "valve tapping" problem until i can get time to fix due to my crazy schedule. i have heard that 600cfm carb would be perfect for my little ol' 305. does that sound right? please offer your suggestions, and/or words of wisdom.
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Old Jun 27, 2005 | 10:04 PM
  #2  
Sonix's Avatar
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Joined: Jul 2004
Posts: 10,763
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From: Calgary, AB, Canada
Car: 1982 Trans-Am
Engine: 355 w/ ported 416s
Transmission: T10, hurst shifter
Axle/Gears: 10 bolt, true-trac, 3.73
Does the 750CFM run ok? If so, leave it, for $400 it isn't worth it....

600CFM might work a bit better, but like I say, probably not worth the cash to "upgrade" it...
Any mods on the 305? any future planned mods?
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Old Jun 28, 2005 | 05:32 PM
  #3  
91sleeperRS's Avatar
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Joined: Mar 2005
Posts: 123
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From: Norfolk, VA
Car: Sold my Thirdgens, want another one
Engine: L98/TPI
Transmission: 5-speed
Axle/Gears: 3.45
when i bought the car it was already modded for me, but this is the list: comp cams cam, vortec heads, edelbrock intake and carb, msd igniton, full 3" exaust system with hooker shorties and 80's series flowmaster(no cat). i know the fuel pump has been upgraded and the tranny is new. the motor has also been rebuilt recently. I did add the z28 grill and foglights. looks-wise, its not as hot as my old '90 RS i had, but thats ok. i do love my thirdgen.
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Old Jun 29, 2005 | 05:00 PM
  #4  
91sleeperRS's Avatar
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Joined: Mar 2005
Posts: 123
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From: Norfolk, VA
Car: Sold my Thirdgens, want another one
Engine: L98/TPI
Transmission: 5-speed
Axle/Gears: 3.45
i forgot, i also have dual lt1 fans. future mods include: new paint! dark grey with black headlight scoops(u know what i mean) i like to keep it classic!. eventually a 350 and some upgraded seats and suspension and brake upgrades. especially those last 2 things i just wrote.
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