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christopherglenn · 07-20-2014, 06:45 PM

I put lift pumps on my trucks more for the extra water separation then the air separation. The returning fuel will leave small bubbles (as well as the sloshing within the tank) that will make it to the fuel pickup, but real world the mpg improvement is 0.0x %. You will see many times that with even the cheapest bottle of additive.

07-20-2014, 06:45 PM	#8
christopherglenn Senior Member Join Date: Jul 2011 Location: 1 hour from Yosemite Posts: 165	I put lift pumps on my trucks more for the extra water separation then the air separation. The returning fuel will leave small bubbles (as well as the sloshing within the tank) that will make it to the fuel pickup, but real world the mpg improvement is 0.0x %. You will see many times that with even the cheapest bottle of additive. __________________ 2007 Chevrolet 3500 CC/LB Duramax/Dually 4X4 Mine r4tech, Reese Signature Series 18k +slider, duratrac, titan 62 gallon, diamond eye, Cheetah 64, EFI Live 2008 Chevrolet 2500 CC/SB Duramax 4X4 Hers r4tech, duratrac 2011 Keystone Fusion 405 TrailAir & Triglide, Centerpoint, gen-turi, 3 PVX-840T, XANTREX FREEDOM SW3012, G614 2013 Yamaha 242LS 2010 GMC Yukon The Bus 2005 Chevrolet 2500 CC/SB Duramax 4X4 Hers (sold) 2006 Jayco Jay Flight 31BHS (sold)