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Re: [GMCnet] In tank fuel pumps, or external pumps. [message #316376 is a reply to message #316375] Fri, 21 April 2017 09:35 Go to previous messageGo to previous message
jimk is currently offline  jimk   United States
Messages: 6734
Registered: July 2006
Location: Belmont, CA
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Senior Member
I take the stand that when the in tank pump goes out, the other inline pump
will work.

On Fri, Apr 21, 2017 at 7:22 AM, James Hupy wrote:

> It is not a problem, IF you are in a shop with a hard floor WHEN the pump
> (s) fail and you need to drop the tanks. Carefully read the submission by
> Glen Gregory about fixing fuel pumps alongside a busy highway while semi's
> blow past at 70 per. Not a very safe way to spend an afternoon.
> Jim Hupy
> Salem, Or
> 78 GMC ROYALE 403
>
> On Apr 21, 2017 6:28 AM, "Larry" wrote:
>
>> 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
>> 78 Royale w/500 Caddy
>> Menomonie, WI.
>>
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--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502

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