Flip style/plunger type gas tank valve

grayrider

Well-known Member
One last repair to complete my 63 Ford 4000, got a new flip type gas tank valve and will put it on this weekend, since it is the flip/plunger type of valve I am thinking about just leaving it open all the time and put me a brass ball valve close to the glass bowl at carburetor, this is what I did with my 601 Ford which has the screw type gas valve and leaving it open all the time with a ball valve to cut fuel off has worked great with no leaks underneath the tank. My question though is the flip type valve okay to leave open like this all the time to prevent premature leaking of this valve, also has anyone ever rebuilt one of those valves.
 

Putting a ball valve after the lever valve that threads into the tank will not stop the gas from leaking out around the valve stem. Put just a couple gallons in the tank at a time.
 
I have a brand new valve that I want to last a long time that I'm going to put on, I want to leave it open to prevent wearing it out and causing future leaks, just wanted to know if others are leaving this flip valves on like I plan to do.....
 
I have two vintage Ford tractors with the lever style valve. I turn them off after each use but the tractors are rarely used.

I apply a bit of lubricant to the plunger when in the open position every once in a while.

It is reasonable to expect that leaving the valve open all of the time might prolong valve life but I know of no one that does so.

Dean
 
(quoted from post at 19:24:33 09/02/15) I have a brand new valve that I want to last a long time that I'm going to put on, I want to leave it open to prevent wearing it out and causing future leaks, just wanted to know if others are leaving this flip valves on like I plan to do.....

Mine leaked right out of the box. I had no opportunity to baby it. I replaced it with the older screw style.
 
your idea will work fine...
....if the new one doesn't leak out of the box.

My 4cyl NF RC 4000 has the flip valve.
I've never touched it....years
Just looked at it when I got the tractor...no leaks, and put a ball valve in the line that first day.

that center outlet valve, either type..
I treat em like loaded tires...no leaks...I ain't touching em.
 
I have had no problems with them leaking. I would think leaving it on all the time would help it from leaking. The tractors that I use on a regular basis the fuel stays on all the time. But I use good gas
Boss
 
(quoted from post at 15:30:40 09/05/15) I have had no problems with them leaking. I would think leaving it on all the time would help it from leaking. The tractors that I use on a regular basis the fuel stays on all the time. But I use good gas
Boss
put the new valve on yesterday along with new fuel line and brass ball valve, leaving the flipper open, no leaks on mine now, maybe it will stay that way, worked the old 4000 hard today cutting pasture with it for about 5 hours, no leaks...
 

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