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Old 03-25-2010, 06:09 PM   #3
crm318
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Join Date: Mar 2004
Location: Midland, Texas
Posts: 1,672
Re: Quadra-Jet Question? Help Please!

Those are the idle mixture screws. They shouldnt have an effect on part throttle performance. Has this carb always acted like this? You might need to go leaner on the jets and needles.
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1972 Cheyenne
Chevrolet red and white
357ci, Vortec heads,
GM Performance high rise intake,
Comp 268H .454/.454 218/218 110 LSA
Quadrajet carb, Flowtech headers, 2.25 40 series
HEI, Curve kit, TH 350, 3.07 gears
275/60/15s on 15x8 rallies
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