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.

edelbrock???

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Old Sep 9, 2005 | 10:05 AM
  #1  
camaro03's Avatar
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From: ohio
Car: 1982 camaro
Engine: built 355 chevy
Transmission: th 350 w/ 3.73 gears
edelbrock???

Ok, heres the deal, i have a 1982 Camaro, 3.73 posi rear, th350 trans with shift kit and 3500 stall, 355 SBC with world sr torquer 2.02 heads, 10-1 comp, .530 lift cam 30/30 cam, 1.6-1 roller tip rockers, mallory ignition, flowmaster exhaust with holley shorty headers, currently a 750 cfm Edelbrock,
I took it to the trak last week and ran a 14.6 with a 1.90 60', it wouldnt pull at top end, so i put a single plane intake on it to help and because i suspected a vac leak. now i can turn my air/fuel screws anyway i want with no change, idle doesnt go up or down, wouldnt this suggest i have a vac leak?? shouldnt the engine die when i closed these screws?? this car is makeing me pull my hair out and just doesnt have the power it should
Russell
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Old Sep 9, 2005 | 10:07 PM
  #2  
84z28350's Avatar
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Joined: Aug 2005
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From: Yellowknife, NWT, Canada
Car: 84 Z28
Engine: 357
Transmission: TH-350C
Axle/Gears: 3.43
Yes it should start to miss when the screws are too far in or out (lean/rich). I have had a hella time setting mine up nicely and after a whole summer i still think it can do better.

My next buildup is getting a holley or something...
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Old Sep 14, 2005 | 08:29 PM
  #3  
camaro03's Avatar
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From: ohio
Car: 1982 camaro
Engine: built 355 chevy
Transmission: th 350 w/ 3.73 gears
yeah i can put them all the way in without a noticable difference
Russell
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Old Sep 14, 2005 | 10:20 PM
  #4  
Apeiron's Avatar
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Joined: Jan 2000
Posts: 20,981
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Is the choke open or closed when you do that?
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Old Sep 15, 2005 | 11:53 PM
  #5  
camaro03's Avatar
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Joined: Dec 2001
Posts: 194
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From: ohio
Car: 1982 camaro
Engine: built 355 chevy
Transmission: th 350 w/ 3.73 gears
its open
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Old Sep 16, 2005 | 12:55 AM
  #6  
DeathStarr89's Avatar
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Joined: Nov 2003
Posts: 1,598
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From: Davenport, Iowa
Car: Still a 3rd Gen
Engine: 450HP 355
Transmission: TH350
Axle/Gears: 9" with 4.11's
which edelbrock carb ?

did you check to see if the metering rods are sitting in the seats right? Floats adjusted right etc....
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Old Sep 16, 2005 | 06:42 AM
  #7  
contact's Avatar
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Joined: Apr 2005
Posts: 117
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From: North Texas
Engine: sbc 350
camaro03,

can you get your hands on a vacuum guage?

if so, you might try this test,
hook it up to look a nanifold vacuum when driving.

at WOT, vacuum should be, guessing, 3 psi or less..

if you have lots of vacuum at WOT, there is
some kind of a restriction.
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