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#1
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fuel filter placement
What is the preferred method of fuel filter placement with a electric fuel pump,before the pump or after the pump?
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#2
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The Filter would go between the gas tank and the fuel pump. To protect the fuel pump. The Bigger the Better, Hope this helps. Jack
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#3
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As electric fuel pumps are pushers (not pullers), you should have a small pre-filter before the pump and a larger (smaller micron) filter after the pump.
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#4
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Ed, Why is that ??? why not just have a large filter before the pump ???
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#5
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If it doesn't restrict flow too much, one filter before the pump is all that's needed.
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#6
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You should probably take Aeromotives guide as gospel. I think they know a thing or two about fuel systems. The recommendation is a 100 micron filter before the pump and a 10 micron filter after the pump.
http://www.aeromotiveinc.com/system.php |
#7
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A heavey filter before the pump will cause more pressure drop and lower GPH than a heavy filter after the pump.
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#8
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Which is the "finer filter" 100 Micron or 10 Micron ??? I put a Professional Products "Powerflow" 10 Micron 160 GPH @ 7 psi between the fuel cell and the Electric Pump. I have a Carter pump that is I believe 72 GPH . The engine is a 440 . Is it Really necessary to have 2 filters ???
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#9
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The “finer filter” would be the 10 micron filter. A 10 micron filter traps particulates all the way down to 10 microns (at 90 whatever percent efficiency); a 100 micron filter only traps particulates down to 100 micron
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#10
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The purpose of two filters is a the 100 micron before the pump to protect it and not hamper the pump and the 10 micron after the pump, to finish the job.
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#11
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Im going to put a 40 micron before the pump and nothing after for now.
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#12
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I keep learning stuff here everyday !!! I am going to the parts store and check out some more fuel filters. May as well do it Right.
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