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Old 11-11-2013, 04:08 PM
powerstrokeon40s powerstrokeon40s is offline
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Join Date: Apr 2013
Posts: 23
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I'm doubting its the valves. When putting the motor back together I adjusted to .004-.005 and after a few miles I rechecked and they were the same.

Auto choke. You mean black thing with 2 wires??

Trying to understand the carb a little better. At idle the vac from engine is pulling fuel through the idle jet right? Then after idle vac needle in main jet raises and lowers to allow more or less fuel through main jet right? Is this correct?

Went out and checked again. Starts and idles perfect but the slightest opening of throttle turning cam on carb with my hand kills engine right away.
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