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Old 04-14-2015, 01:22 AM   #3
kda2000
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Join Date: Oct 2013
Location: Austin, TX
Posts: 170
Re: 69' 250 stalling in higher gears...abruptly.

Definitely sounds like being starved for Gas, just need to figure out why. If its a 250 then I assume you have the Monojet carb which has a small fuel filter behind the nut were the gas line attaches, could be clogged.

Check everything Boog mentioned, probably one of those, but I had a 283 one time that had a weak fuel pump, would pump only enough to run until it hit about 40 mph, when cold it couldn't keep up and would stall when it ran dry in the fuel bowl, but would start right right back up and run good until you were up to speed again. When it warmed it, then ran fine to any (reasonable) speed. That was a freak pump failure, took months to find, doubt that is, but its something in the gas supply. -- Ken
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