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Classic Fuel System
#3

Marcus 

From my experience putting a loop higher than the PT fuel pump is not a good idea.  I understand you aren’t going higher than the inlet to the PT pump.  It can work but often leads to trouble with air being trapped.  I would change the FF105 to a FS1000 which is a 10 micron separator/filter.  It never hurts to filter the fuel to fine levels which protects the close tolerances used.  When the 903 was manufactured, 10 micron filtration was not available.  The PT pump has a gear pump on the rear and has a fairly high lift value, I don’t recall the number but it’s about 8” vacumn.  You should be fine with your plan.

See: www.cumminsfiltration.com

Gordon Jones
2000-45'-2slide-#567
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Messages In This Thread
Classic Fuel System - by MPerry - 12-08-2018, 11:01 AM
RE: Classic Fuel System - by Fulltiming - 12-08-2018, 05:53 PM
RE: Classic Fuel System - by bestgenman - 12-08-2018, 06:40 PM
RE: Classic Fuel System - by Doug Musick - 01-27-2019, 08:24 AM
RE: Classic Fuel System - by Doug Musick - 01-27-2019, 09:27 AM

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