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Originally Posted by ToronadoGuyDenver
........ 4 barrel Quadrajet on a 305........
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I normally don't do Chevs on an Olds site, but I normally don't do emissions either.
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........ I have a brand new Engine and Carburetor .........
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New? As in not rebuilt, reconditioned, remanufactured, etc?
Is the engine an '85 or newer? Are you sure the carb is correct for that engine, and for your altitude?
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........ I take it to the shop, they charge me $100 and it still reads high ........
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They charged you for not fixing it? Do I need to say more?
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........ the car is running too rich ........
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The cause may or may not be in the carb. If it is, it may not be in the idle circuit.
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........ Does anyone know the exact amount of turns for the settings? ........
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Your answer will be in small fractions of a turn, and the adjustments will vary from car to car.
I suggest you take it to a shop that specializes in emissions systems. Or you can look for advice about your Chev engine on a Chev site. I've found
this one to be informative.
Norm