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"That was true a long time ago, but not today.
These days fuel pump is cooled and lubricated by the fuel that goes through the pump, not the fuel that's around the pump. Many cars have pumps external to the gas tank. As long as you don't run your pump dry, you're fine"
Not completely true, while i attended WyoTech I ran a test comparing 2 walbro 255 pumps from the g1 legends. The one that i filled up when it was 1/5 empty ran dead at almost 10,000 hours earlier
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