Barry W
Corapeake, NC 27926
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Joined: 08/04/2004
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Foaming diesel is a puzzle to me. When filling my 2006 f350 it takes forever to get a full tank. If I don't allow the foam to dissolve I miss about 4 to 5 gal from filling my tank. I have pumped thousands of gallons of diesel to John Deere tractors and I had zero foaming issues. Anyone else struggling to fill their ford trucks? Barry
2006 F350 4x4 DRW CREW CAB 6.0
SNOWRIVER 9'6" DINETTE ALL WEATHER PACKAGE
FIRESTONE AIR BAGS
RANCHO 9000X SHOCKS
HONDA EU2000
1000 WATT INVERTER
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bgum
South Louisiana
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Joined: 02/22/2006
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Caused by heat.
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Buzzcut1
Norcal
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On the fords from that era they used the same fuel tank a the gas engine with a long breather tube that caused the foaming you see, When they switched to the 6.7 they chanded the tank configuration and tube length and no more foaming issue
2011 F350 6.7L Diesel 4x4 CrewCab longbed Dually, 2019 Lance 1062, Torqlift Talons, Fast Guns, upper and lower Stable Loads, Super Hitch, 48" Super Truss, Airlift loadlifter 5000 extreme airbags
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enblethen
Moses Lake, WA
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Your RATE of fill will also cause foaming. Need to stay away from large nozzles like a truck stops.
* This post was
edited 07/15/23 07:40pm by enblethen *
Bud
USAF Retired
Pace Arrow
2003 Chev Ice Road Tracker
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ScottG
Bothell Wa.
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Joined: 02/25/2005
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bgum wrote:Caused by heat.
I've noticed that it's worse when it's hot out.
I have to wonder if it's also worse when we've been on a long run and the fuel in the tank is hot (from cooling the HP pump). Does the cold fuel hitting that warm diesel and warm fuel tank cause even more foaming?
* This post was
edited 07/15/23 08:23pm by ScottG *
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PSD w/ Lance 845
encinitas
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Look up "harpoon mod" on your favorite Ford diesel forum. This is a mod on earlier Fords where you shorten the vent and filler tubes going into the tank and results in faster fill ups. It allows more fuel to enter the tank before the foam backs up into the filler tube and shuts off the pump. Not sure if a similar mod exists on your year of truck but worth looking into.
http://www.guzzle7pt3.com/harpoon.php
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Ranger Tim
Idaho
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I fuel all kinds of diesel powered heavy equipment every day. Foaming fuel is common regardless of tank configuration. Reduce delivery rate when nearing full to solve this. Listen for the change of tone when the fill tube begins to fill.
Ranger Tim
2006 F-350 Super Crew King Ranch SRW Bulletproofed
2016 Wolf Creek 840
Upper and Lower StableLoads
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StirCrazy
Kamloops, BC, Canada
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Barry W wrote:Foaming diesel is a puzzle to me. When filling my 2006 f350 it takes forever to get a full tank. If I don't allow the foam to dissolve I miss about 4 to 5 gal from filling my tank. I have pumped thousands of gallons of diesel to John Deere tractors and I had zero foaming issues. Anyone else struggling to fill their ford trucks? Barry
It was the design of the fuel tank and filling system they used in the truck of that and the previous generation. when I changed from my 99 to my 2014 it all went away and I can use the truck stop pumps if I want to now as the hole is large enough for them from the factory.
2014 F350 6.7 Platinum
2016 Cougar 330RBK
1991 Slumberqueen WS100
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mkirsch
Rochester, NY
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Joined: 04/09/2004
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The fuel is getting aerated by the path it's taking to the tank. We've got a couple of diesel tractors where the front filler neck is molded to go around the operator platform and takes a weird shape to get to the main part of the tank. Like you the last 5-10 gallons is tedious as the fill neck area fills with foam. The other tractors that have short filler necks that lead directly into the main tank don't foam at all.
Putting 10-ply tires on half ton trucks since aught-four.
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Barry W
Corapeake, NC 27926
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Thanks, I was just curious if I was alone with foaming diesel. I think I'll keep the Ole ford. Barry W
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