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.

Confession: No Idea what I'm doing

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Old Jul 14, 2008 | 10:36 PM
  #1  
Xenocide4077's Avatar
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Joined: Jan 2008
Posts: 18
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From: College Park, MD
Car: 1989 IROCZ
Engine: 383
Transmission: T5 Borg Warner
Axle/Gears: 3.08... looking to fix it
Confession: No Idea what I'm doing

I bought my 89 IROC with a 350 carb swapped in, and don't know a SINGLE thing about carbs besides they work.

I have an edelbrock 600 performer w/electric choke on right now, and want to know how to tune it, make it faster, help fuel economy.... the whole nine yards. I literally only know how to adjust the idle and mixture screws... not even kidding.

Can anyone suggest a book, or a thread, or anything at all that might help me figure some of this stuff out? Is an edelbrock 600 performer a decent carb to be running? Is it hard to tune? Should I get a new one? What wideband tuner should I get? Do I even really need one? Would the Edelbrock rich/lean indicator work (on summit: Edelbrock 6593)?

I literally do not know ANYTHING, and would like any help I can get. I want to learn, I just don't know where to start... at all.

THANKS!
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Old Jul 14, 2008 | 11:12 PM
  #2  
five7kid's Avatar
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Joined: Mar 2000
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
Tuning an Edelbrock, start here: https://www.thirdgen.org/forums/carb...e-rebuild.html

Personal opinion - The Edelbrock is one of the last choices for a performance carb. A Holley double pumper would be a much better choice with a T5 transmission.
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