Edelbrock 600 cfm carb - Team Camaro Tech
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post #1 of 4 (permalink) Old Aug 15th, 02, 06:37 PM Thread Starter
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Join Date: Apr 2002
Location: colton CA USA
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I have a Edelbrock 600 cfm carb that I installed on my 1976 camaro with a 305 sb. I set the timing to 12 degrees initial at 600rpm, and wanted to know how I could set up the idle mixture screws. What is the starting point for this. I only ask because when I slowly push on the gas, the car doesnt transition too great. If I floor it it goes , but I want good Idle performance too. Where is a safe place to start. Thanks
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post #2 of 4 (permalink) Old Aug 16th, 02, 01:29 AM
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Location: DULUTH, GA.
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Usually a good place to start is 2 turns out on both screws. Check out the online manual at http://edelbrock.com/automotive/eps_intro.html for more information.

I would guess that you need a stiffer crossover/transition spring because your vacuum is so high. A silver one at that. Buy a tuning kit from Summit for your carb.

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post #3 of 4 (permalink) Old Aug 16th, 02, 12:58 PM Thread Starter
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Thanks for the info. I appreciate it. I will print out the calibration procedure so i can walk through the calibration easier.
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post #4 of 4 (permalink) Old Aug 19th, 02, 01:46 AM
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Get the calibration kit. I just solved a part throttle missfire by rejetting mine it involved different step up springs and metering rods. The speed shop I get my parts form thought it was running fine but my plugs were too clean for me. i went one stage richer and now it runs perfect. Also on the idle mixture usually they like 2.5-3.5 turns out, both need to be identical.
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