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Home » Public Forums » GMCnet » [GMCnet] In tank fuel pumps, or external pumps.
Re: [GMCnet] In tank fuel pumps, or external pumps. [message #316374 is a reply to message #316290] Fri, 21 April 2017 08:28 Go to previous messageGo to previous message
Larry is currently offline  Larry   United States
Messages: 2875
Registered: January 2004
Location: Menomonie, WI
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Senior Member
A lot of us have "been there" with different ways of plumbing fuel to the engine. IMO, pumps in the tanks and all steel fuel lines is the final answer. Two tanks, two pumps. Both pumps are a back-up for the other. Either will allow you to drain...I'd guess...2/3rd s of the 50gal of fuel you can carry, meaning you can get'r home. JMHO

As far as having access holes in the floor of your coach to change the pumps, personally, I would not bother. If you put pumps in the tanks, as outlined in the Stora article, because the assembled tank unit is fairly big, (especially if you change to all steel lines) you need a lot of room around the tank hole to manipulate the assembly when inserting it into the tank. You'd have to have quite a large hole in the floor. I have a small hole (6" in dia.) to check in case of leaks or electrical issues. Dropping the tanks is not as big of a deal as made out to be. The hardest part of the whole thing is draining of the tanks and where to put all of that fuel. Draining is actually relatively easy. Just hook a section of rubber fuel line to the line at the fuel rails, throttle body or a convenient spot in the fuel lines, and wire the pump to pump the fuel out. I can drop both tanks, fix and replace in a morning. .

HTH


Larry Smile
78 Royale w/500 Caddy
Menomonie, WI.
 
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