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I brew my own Bio and just got a 55 gallon replacement tank form AeroTank for my 02 F250 7.3. I want to do the "Hutch mod" when I change the tanks over, but I am concerned about the compression union fittings that I see most folks are using. They look to be made out of copper or brass. I have read that copper and brass are not compatible with biodiesel. What are your thoughts? Anyone running B100 with a Hutch mod?
ITP sells a pickup tube that you can attach an aluminum fitting to. The connection point would be outside the cap of the tank. I'm going to do just that when I get the chance to re-do my fuel system. Right now I am running B99 pretty much exclusively so maybe I'm a lab rat for finding out how long that brass fitting I have submerged will last.
2012 Race Red Boss 302 "Commuter Car" Early 99 F250 PSD 4x4 CC 6spd Common Mods 260,000+ Miles, Driven daily like a rented mule
1964 Falcon Convert 289 Toploader 9" 4 Wheel Disks
Nov '10 Recipient: "dedicated report-back tech thread poster" award!
You can also modify the hutch mod and harpoon mod with just normal fuel line. I think your thinking of the harpoon mod in the tank and the hutch mod is the replacement of the fittings outside the fuel tank. Removing the ability for air to be sucked into that fitting. Most the guys here dont have the 7.3 newer except for Fat and a few others. No your not the lab rat. I think the Phydeaux or Fab will be better suited to tell what the reaction is. I think it just has to do with the amount of oxygen in the fuel, but it wouldnt be any more then oxy in the air we breath right?
585,000+ miles on original engine. Goldie 00 F-350
Thanks for your relpies. I went and ordered stainless steel fittings from Mc-Master Carr. I felt it was better to be safe than sorry. Fat Diesel, I'm curious what your brass fittings will look like whne you drop your tank.
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