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dies with choke open

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Old Sep 4, 2017 | 06:54 PM
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dies with choke open

We believe about a 83-85 351W in a 79f100. Engine dies when the choke opens. Asking is anyone has any ideas? Did a thorough cleaning of the carb and cant get past this. If the choke stays closed, runs perfect. Sounds great, but when you manually open the choke (haven't gotten that adjusted yet) the engine dies. Were stumped. any pointers are appreciated
 
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Old Sep 5, 2017 | 12:15 AM
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Look for a vacuum leak, which would make the engine run too lean. This would be compensated by closing the choke.
 
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Old Sep 5, 2017 | 06:48 AM
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Mixture screws and/or the throttle adjustments are off.
 
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