Need Carb Help I Think???? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Reefmonster · 11-25-2011, 10:32 AM

My son has a 70 swb stepside with a 250 with a Rochester Monojet. The truck will sit and idle fine, but when you are driving it will cut off like it is starving for fuel, if you pull over it will crank fine and sit and idle, go another 1000 feet and cut off again. I have taken the carb partially apart to clean but it still does the same thing. The fuel filter stays completely full during this process so I know the pump is good( it has complete new fuel system from tank to filter anyway). Any suggestions????

11-25-2011, 10:32 AM	#1
Reefmonster Registered User Join Date: Nov 2009 Location: Valley, Al Posts: 8	Need Carb Help I Think???? My son has a 70 swb stepside with a 250 with a Rochester Monojet. The truck will sit and idle fine, but when you are driving it will cut off like it is starving for fuel, if you pull over it will crank fine and sit and idle, go another 1000 feet and cut off again. I have taken the carb partially apart to clean but it still does the same thing. The fuel filter stays completely full during this process so I know the pump is good( it has complete new fuel system from tank to filter anyway). Any suggestions????

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