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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Choke adjustment

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Old May 5, 2004 | 04:39 AM
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srercrcr
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Question Choke adjustment

My meticulously maintained 300-6 has a choke plate that wants to start opening after only about 3 seconds running. The engine isn't warmed up enough to run right with all that air....it runs rough. I have the fast idle at 1500 rpm, it drops to 1100 when that flap opens, I wait...as the engine warms up, the rpms climb, whereby I kick off the choke at 1500, drops to 600 idle...runs fine.
It has a rebuilt carb/choke with only about 1000 miles on it.
I've tried loosening the 3 screws and turning the choke adjustment (spring inside), but that just seemed to create other problems.
Thanks.
 
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