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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: Joec123able on December 07, 2016, 06:48:21 pm
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Have a 73 k20 350. 1406 edelbrock carb. With the cold weather my truck hhas started running like crap when I start it cold in the morning. It will start up fine for a few seconds and then just started chugging to where it almost sounds like missing. Once it's warmed up seems to run fine. Played around with the choke, didn't make a difference, whether the choke is open or fully close it runs equally like crap until Warm. Any ideas?
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perhaps a vacuum leak? the choke should have an effect on how the motor runs. if its fully closed and theres no difference it has to be sucking air from somewhere else