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| Re: [GMCnet] Fuel filters [message #132958 is a reply to message #132947] |
Fri, 01 July 2011 08:00   |
Jim Bounds
Messages: 842
Registered: January 2004
Karma:
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Senior Member |
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The part I like about a canister styled filter with a sight bowl at the bottom
is that's where the silt ends up, man you would not believe how much gets
trapped there! I cleaned it out before the trip to DeQuin last year and I have
a nice pile when I got home.
Yes, I do not see any actual water in the bowl but hey, it could happen. I am
risking clogging up the electric fuel pump in that it is before the filter. I
have that happen on the previous machine I had (The Dumpster). it had actually
3 tanks, all nasty inside. My solution was to install the canister filter to
sift the nasty gas and clean out the tanks that way. Heading to the Myrtle
Beach Intl rally years ago somewhere around Daytona the electric pump stopped.
I stuffed myself under the coach on the side of I-95 at 2AM to find a smoking
electric fuel pump! Yikes-- Bad Juju! I pulled the power from it and jumped
across the ditch to wait. Nothing happened so I figured I had dodged a bullet
and promised to never try and clean out a tank like that again. Proof positiveI
will try bout anything that sounds promising! BTW, don't try that at home.
Contamination from rusted tanks, the ethanol in our fuel supply, vapor lock--
all this stuff is on the rise, I see it every day-- have 2 coaches in here right
now that had nasty tanks. We are working to try and answer these issues, you
just can't drive around with a 5 gallon tank in the pass. floorboard all the
time, a 6 pack of carb filters in the glove box and don;t think you are immune
with fuel injection.
Found a solution to the problem of direct port injection vapor lock. Butch D.
up in Mpls. found that the fuel at the injectors was boiling causing the
injectors themselves to misfire. He put a bilge blower fan piped up to the top
of the motor to blow air onto the rails and injectors solved the problem. Man,
having to fix a $4000 direct port exotic fuel injection system with a fan to
cool it down is stupid! In fact I am going to try that on my Q-jet carb., might
help and thats also so sad that we have diluted our fuel supply to the point of
madness. We are lining and stocking fuel tanks now.
Jim Bounds
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----- Original Message ----
From: Rob Mueller <robmueller@iinet.net.au>
To: gmclist@temp.gmcnet.org
Sent: Fri, July 1, 2011 3:30:18 AM
Subject: Re: [GMCnet] Fuel filters
Richard,
I don't remember reading any emails discussing problems with water in the
gasoline supply system.
The problems we have discussed many times are with the damage that water
does in the fuel tanks.
I replaced all the fuel lines in Double Trouble with SAE30R7 lines three
years ago and installed a fuel filter with a metal housing in the rubber
hose that connects the fuel supply line to the fuel pump inlet. I have not
had any problems with fuel contamination in the carb from particulate matter
or water.
Regards,
Rob M.
Sydney, Australia
AUS '75 Avion-The Blue Streak TZE365V100428
USA '75 Avion-Double Trouble TZE365V100426
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Richard Brown
Sent: Friday, 1 July 2011 4:49 PM
To: gmclist@temp.gmcnet.org
Subject: [GMCnet] Fuel filters
I was talking to a friend today on the phone & he told me something that
piqued my interest. He works as a mechanic on gasoline & diesel fleet
vehicles and lately a lot of the companies are installing large fuel
filter/water separators that use a spin-on filter that looks similar to an
oil filter in size, but are designed to filter gas down to 2 microns and
separate water from the fuel on vehicles using E-10 fuel. The ones they are
installing are made by Wix, so the filters should be fairly easy to find &
can hold almost a quart of water before needing to be replaced. I would
assume it would need a fuel pump ahead of the filter to be useful. He's
getting the info for the bases and filters and will get back to me at a
later time. My question for the brain trust is would such a filter be useful
for GMCs or would something like this be either overkill or simply not work
in our application?He said that some of the filters are drainable to remove
collected water, but they have been simply replacing the filters at regular
intervals. I can imagine a filter of that size could hold a considerable
amount of trash before becoming restricted. I'm also wondering where the
best place would be to install one. Anyone think this would be a good/bad
idea & why.
Richard & Carol Brown
1974 Eleganza SE
"DILLIGAF"
Lindale, Tx. 75771
903-881-0192
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