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Old 09-18-2017   #1  
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Default Fuel issues

Bought a 77 F150 Custom 4x4 and someone changed carbs from a 2 bbl to a 4 bbl. while driving as I come up to speed (50mph) the engine loses power and try's to stall, like I'm running out of gas. Low speed is no problem, do I need to add a electric fuel pump. Engine is a 351M 4speed transmission
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Old 12-30-2017   #2  
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Have you checked your fuel pressure?
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