Question about 1983 Chevrolet K1500

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Truck stalls when the ride gets rough

Is there any way to fix or adjust the carbs float on an 81 chevy with a 350. when i am off-roading and it starts getting rough it stalls out. kind of a problems in the middle of a slough

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  • tony yeatman
    tony yeatman May 11, 2010

    What carb?Holley,rochester ?

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Are you running factory quadrajet carb?
you can adjust float but have to take apart carb to do so on it.

Posted on Dec 02, 2008

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Sounds like you either have the float level set too high or you have debris getting into the needle and seat. To clear needle, disconnect the fuel line and divert it into a large container and allow the engine to run 'till it runs out of fuel in the carb and stalls. (use a length of rubber fuelline attached to the steel line to do this) Once it stalls, re-connect the line to the carb and re-start engine. The new fuel rushing into the carb shouls clear any debris.
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Pressure should be about 5-7lbs running. Also check that the line to the tank isn't leaking. If it is, it will **** in air and stall the engine for lack of fuel. The mechanical pump and lines are a very simple system...something I mentioned here has got to help you!
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