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73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: rockable on September 16, 2012, 04:54:53 pm
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There is a gray plug on my Q jet that is in series with a temp switch on the coolant return neck. What does that gray plug attach to inside the carb and how is it supposed to work?
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It controls the primary fuel metering.
Whole post on Quads: http://forum.73-87chevytrucks.com/smforum/index.php/topic,11934.html