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Pre-Lift Pump Auxillary filter?

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Old 02-08-2008, 11:29 AM
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Pre-Lift Pump Auxillary filter?

Has anyone done this, outside a FASS set up?
Will it help the LP life?
Old 02-08-2008, 11:56 AM
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I used a filter housing off of a old 7.3 idi motor I had laying around and put it under the bed with a big wix filter on it. Works great and the filters are like 8 bucks apiece. I did change the lift pump to a walbro 392 on the frame at the same time.
Old 02-08-2008, 12:18 PM
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I have a pre-strainer "filter" before my Walbro as recommended by GDP. I want my Walbro to last as long as possible. Don't think it hurts pressures at all. But sucking thru a standard diesel filter may hurt a pump over time since it has to suck harder.

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Old 02-08-2008, 12:44 PM
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I have a 30 micron "strainer" on my fass hpfp, have to have it for warranty issues..
Old 02-08-2008, 07:23 PM
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Talking Pre Walbro

Metal Mesh strainer before the walbro Then into the stock fuel filter.
Old 02-08-2008, 07:35 PM
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Tell me more abot the metal mesh; something you made or bought?
Old 02-08-2008, 07:57 PM
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Napa Strainer

I used a Metal fuel filter with a paper cartridge in it ,on the FIRST walbro,, The suction from the walbro collapsed the paper cartridge in the fuel filter which starved the FIRST walbro,, Thats why I say use a filter with a metal mesh inside it.
Old 02-08-2008, 09:04 PM
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Sumthin like this is what you would need. (just an example) http://store.summitracing.com/partde...5&autoview=sku Just sumthin to keep the bigger "chunks" from goin thru the fuel pump.
Old 02-08-2008, 10:53 PM
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Mount this on the fram rail and get (2) 1/2" NPT to 3/8" barb fitting for the inlet and outlet. http://store.summitracing.com/partde...5&autoview=sku
Old 02-08-2008, 11:10 PM
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I mounted a napa filter housing and wix filter after the tank, then a carter pump that feeds my stock lift pump. Been working good now for several months, Poor mans FASS.
Old 02-08-2008, 11:20 PM
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A friend put a dual filter head from a Detroit 2000 series with 20 micron primary filters..........with framerail relocated stock lift pump.

Old 02-08-2008, 11:42 PM
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Usually, the general idea is to mount a larger micron filter before the lift pump to keep the bigger "chunks" out of the fuel pump, as I stated before. Then you mount your finer micron filter for the IP after the fuel/lift pump. If you mount a small micron filter before the lift pump, there is a possibilty of starving the lift pump of fuel or making the pump work harder, especially if you have a habit of picking up "dirty" fuel from area suppliers.
Old 02-08-2008, 11:44 PM
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Originally Posted by 1-5-3-6-2-4
A friend put a dual filter head from a Detroit 2000 series with 20 micron primary filters..........with framerail relocated stock lift pump.

Hmm, I like it. Your buddy got a part# for that filter head??
Old 02-08-2008, 11:51 PM
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In fact I do, he got it from me I have about 1/2 dozen of them in my garage. new heads and new filters. At work we get them shipped to us with every Detroit we buy, and turf this stock setup for a 3 element 10 mic Racor setup. But I was allowed to salvage these before they hit the dumpster.
Old 02-08-2008, 11:53 PM
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......actually I bet you are going to need another shot for perspective

















Here's the stock oil filter with the primarys.......so you know just how big they are.



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