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Fuel Tank Replacement - Vent Plugged
#1
I have been in the process of replacing my fuel tank and components this weekend. When I took the tank vent off, I found a major load of residue in it. The vent was 100% blocked. Here is what it looked like when I took it off:
[Image: 2ngym1w.jpg]

Here is what it looks like after a cleaning. That pile of crud was inside the vent:
[Image: 97mio6.jpg]
[Image: fn5k3r.jpg]
The gas tank I removed was not usable. It had about a pound of loose rust inside. The fuel pickup sock was plugged and the float had fallen off in the tank (that explains why my gauge didn't work). I can't believe the car even ran at all in that condition. I guess that's what 40 years will do - especially when 20 of those years were spent in storage. What a nasty, foul smelling job this is.

Steve
73 Mach 1 Blue Glow/Argent Q Code C6 Auto
73 Mach 1 Blue Glow/Argent Q Code 4 Speed
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#2
WOW that was ugly!

Jeff T.

Low buck, touring style, '73 Convertible "rolling restoration", 351c, 2v heads with a shave and a haircut, Performer intake, Holley 650(ish), roller rockers, screw in studs, guideplates, stainless valves, Duraspark / Motorsports MSD, T-5 conversion. 1-1/8" front, 3/4" rear swaybars KYB shocks and some home brewed subframe connectors. Future plans; JGC steering box, Cobra brakes and... paint, interior, etc.

When I die I want to die like grandpa, peacefully in my sleep... not screaming, like his passenger.

[Image: 1_12_09_14_10_15_11.png]
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#3
Steve73QMach1;130332 Wrote:I have been in the process of replacing my fuel tank and components this weekend. When I took the tank vent off, I found a major load of residue in it. The vent was 100% blocked. Here is what it looked like when I took it off:
[Image: 2ngym1w.jpg]

Here is what it looks like after a cleaning. That pile of crud was inside the vent:
[Image: 97mio6.jpg]
[Image: fn5k3r.jpg]
The gas tank I removed was not usable. It had about a pound of loose rust inside. The fuel pickup sock was plugged and the float had fallen off in the tank (that explains why my gauge didn't work). I can't believe the car even ran at all in that condition. I guess that's what 40 years will do - especially when 20 of those years were spent in storage. What a nasty, foul smelling job this is.

Mine was exactly the same way and cleaned up pretty much like yours. I actually drilled the hole slightly larger as I am going to use this as my fuel return line for the efi system, hopes it works ok.
-jbojo

-john
(jbojo)
351C 4V cc heads, 10.5 : 1 CR, 290 Herbert cam, Flat top forged pistons, forged connecting rods, Atomic efi,
C6 with Gear Vendor overdrive, 3.89 Tru Trac, Hooker Super Comp with 2 1/2" Pypes Exhaust.        

Some Mod pictures can be seen at:

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#4
Whoa. I....whoa, thats amazing.
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#5
A lot, I would guess over half of them, I have pulled from the parts cars look like that

Ohio Mustang Supply
440-949-2556

[Image: oms_sig_banner.jpg]
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#6
OMS;130452 Wrote:A lot, I would guess over half of them, I have pulled from the parts cars look like that

That's just scary
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#7
That's amazing... Now I need to pull mine and give it a look. My return system is in pieces anyway.

I do have another question though... Slightly less technical...

Is the pile of "junk" flammable?

2013 Ford Focus SE Flex Fuel 5spd - Daily Driver
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#8
The way that pile of crap smelled I would guarantee it was flammable. If anyone does this job make sure you are in a well ventilated area. I was and I still had that smell stuck in my nose for hours

Steve
73 Mach 1 Blue Glow/Argent Q Code C6 Auto
73 Mach 1 Blue Glow/Argent Q Code 4 Speed
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#9
did you use a brass brush? the pile looks dry. guess you didnt put any solvent on it? and what gasket did you use to reinstall?
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#10
That is the reason I am looking at replacing my tank and all of the lines after 40 years. With the motor I am building and ethanol in the fuel I figure it is a smart move. Stainless Lines are in the future for brakes and the fuel lines.
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