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Fuel Petcock Valve on a 53'
#597648 Wed Dec 02 2009 10:30 PM
Joined: Oct 2009
Posts: 8
K
New Guy
Pulling the gas tank on my 53' 1/2 ton, and I came across what appears to be a fuel petcock valve. All of the diagrams I have seen for the 47-53 pickups have the fuel line connecting to a rubber hose that enters the passenger compartment from the underside. In the pictures it looks like this line connects to a steel line which enters that tank at the top. However the valve connects to the fuel tank at the bottom. I have included a picture, please note that 1/2 inch bolt at the bottom is stripped and the lever broke off when I attempted to turn it. Thought I'd ask about it before I remove the whole thing, and bypass it.

http://www.flickr.com/photos/kaliforniaman/4153731374/


Steve
49' 3100 5-Window
Re: Fuel Petcock Valve on a 53'
Kaliforniaman #597655 Wed Dec 02 2009 10:48 PM
Joined: Aug 2005
Posts: 344
M
Shop Shark
Not aware of a factory fuel valve. I would guess that was an add on from a previous owner, perhaps there was an aux. tank installed at one time?


Allan
-----
1951 GMC 1/2-ton
Two 1953 Chevy 3100 5-window
Here's the most recent one
Synthetic Lubricants
Re: Fuel Petcock Valve on a 53'
magfarm51 #597657 Wed Dec 02 2009 11:07 PM
Joined: Feb 2006
Posts: 444
J
Shop Shark
Allen I have to disagree with you up to a point. I don't know if all the 1/2 ton trucks came with a shutoff valve or not. However reading a great number of posts on the subject, It is my understanding most of them did come with a shutoff valve. It is a shame that kaliforniaman broke the original valve. They are hard to find, and the repops are not quite the same. If I don't have my info 100% someone that can speak to the valve issue will chime in. Jim.

Re: Fuel Petcock Valve on a 53'
magfarm51 #597658 Wed Dec 02 2009 11:08 PM
Joined: Sep 2001
Posts: 30,480
ace skiver
A shut-off valve was supposedly used through 1953, The location of the fuel line into the tank changed in 1954.



Tim
1954Advance-Design.com [1954advance-design.com]
1954 3106 Carryall Suburban [stovebolt.com] - part of the family for 49 years
1954 3104 5-window pickup w/Hydra-Matic [1954advance-design.com] - part of the family for 15 years
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engines are not "splash oilers" - this is a splash oiler. [chevy.oldcarmanualproject.com]
Re: Fuel Petcock Valve on a 53'
tclederman #597659 Wed Dec 02 2009 11:15 PM
Joined: Feb 2006
Posts: 444
J
Shop Shark
Hi Tim,
Just to double check, so you like me think 1/2 tons did come with the valve from the factory? Jim

Re: Fuel Petcock Valve on a 53'
Jimmie D #597661 Wed Dec 02 2009 11:20 PM
Joined: Mar 2008
Posts: 4,289
J
Shop Shark
My '50 was an 'unmolested' truck when I got it.
There was a brass fuel petcock.
I had more luck than Kaliforniaman though, I managed to get mine freed off.
I just need to get the tank cleaned out now!


I've definately got this truck thing in my blood ... my DNA sequence has torque settings

"Of all the small nations of this earth,perhaps only the ancient Greeks surpass the Scots in their contribution to mankind" Winston Churchill.

1950 Chevy Advance Design 3100 in Scotland
In the Stovebolt Gallery
More pix on Flickr .
Re: Fuel Petcock Valve on a 53'
jockbolter50 #597663 Wed Dec 02 2009 11:27 PM
Joined: Oct 2009
Posts: 8
K
New Guy
JB,
I have not got a mirror up high enough to look, was the petcock valve threaded for the tank line, or is it part of the line which connects to the tank? If it is threaded, I should be able to twist-off the whole valve. However, if that is the case I am not sure what the stripped bolt would be for.

Last edited by Kaliforniaman; Wed Dec 02 2009 11:28 PM.

Steve
49' 3100 5-Window
Re: Fuel Petcock Valve on a 53'
Kaliforniaman #597665 Wed Dec 02 2009 11:34 PM
Joined: Jun 2005
Posts: 46
W
Wrench Fetcher
my '50 has ths valve, there is a brass nipple (about 3" long) between it & the gas tank, the valve is made like a cross, the top goes up to the tank, bottom has a cleanout plug, the shutoff is on one side, rubber fuel line connects the other side to the metal fuel line.

here's a pic, http://memimage.cardomain.com/ride_images/2/2877/4121/19692060138_large.jpg

Re: Fuel Petcock Valve on a 53'
wv_hillbilly #597675 Thu Dec 03 2009 12:23 AM
Joined: Oct 2009
Posts: 8
K
New Guy
Then the stripped bolt is the clean-out. Seems like I should replace it. Jimmie D. is correct, I have not found an exact replacement. I did find some made for motorcycles:
http://www.golanproducts.com/fuel_valves.html


Steve
49' 3100 5-Window
Re: Fuel Petcock Valve on a 53'
Kaliforniaman #597710 Thu Dec 03 2009 01:58 AM
Joined: Aug 2007
Posts: 1,897
S
Grumpy old guy playing with trucks, cars, and boats
My 53 has the valve. You can have mine if you have the time to wait until I get back up to Wisconsin as I am converting mine to a diesel.

However my grandfather was in the plumbing business for a long time and owned a hardware store for a while in the 50's-70's. I have seen the vary same valve in the hardware bins in his storage shed before he pasted away.


The problems we face today can not be addressed at the same level of intelligence we were at when we created them - Albert Einstein Or with the same level of $ - Me
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