running rich at idle (PLEASE HELP) - Team Camaro Tech
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post #1 of 4 (permalink) Old Oct 21st, 03, 03:13 PM Thread Starter
Join Date: Aug 2003
Posts: 14

i have a 350 with a lunati cam with .457 lift and a 600 holley vaccum secondary carb on it. My problem is that at idle it runs overly rich at idle and sounds like it has no power and loads up at a stoplight. But as 60 or 70 mph. it runs like a scolded dogand better than any other car. When I drive it hard or for an hour at long distances at finally stop the idle speed seems like it is too high and sounds like its running away. But when I drive for about 20 minutes when I stop the car sounds mean and idles fine until it starts to load up. When I floor it off idle it bogs and falls flat on its face. COuld I just lean it out at idle with the mixture screw or could it be a blown power valve butI just repalced it not too long ago. Please I need some help so I can enjoy my car.
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post #2 of 4 (permalink) Old Oct 22nd, 03, 05:17 AM
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Tuning a Holley has been covered here many many times... Search on "Holley" in the Performance forum. There's lots that will help.


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post #3 of 4 (permalink) Old Oct 24th, 03, 06:08 AM
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sounds like your power valve is opening at idle, low vacuam with that cam....

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post #4 of 4 (permalink) Old Oct 25th, 03, 11:14 PM
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is the choke opening up?

you don't plan sincerity.
you have to make it up on the spot.

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