Do I really need a carb shut off valve?
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Topic author - Posts: 346
- Joined: Wed Nov 25, 2020 12:45 pm
- First Name: John
- Last Name: Killelea
- * REQUIRED* Type and Year of Model Ts owned: 1926 Touring, 1927 Tudor, 1925 Touring
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Do I really need a carb shut off valve?
Hi all. My shut off valve, attached to the sediment bowl of the cowl tank leaks a lot when the engine stops and the valve is not shut off. Can I remove it and just use the sediment bowl shut off to stop gas flow to the carb? These extra shut off valves were not original from the factory, or were they? Any thoughts would be appreciated. Thanks. John
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Re: Do I really need a carb shut off valve?
John, I believe it largely depends on YOU. Are you going for originality or SAFE and functional. Safe and functional demands NO leakage and where ever, what ever you choose. Put it where you can easily access it and operate it. It's YOUR T, build it, drive it, and fix it the best way YOU can.
Good Luck
Good Luck
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Re: Do I really need a carb shut off valve?
Question is: Is the valve bypassing and carb is leaking or is gas dripping from the valve?
Which ever one, FIX IT.
I once bought a T that burned down a house, new Caddy and a Motorhome.
FIX IT ASAP.
Which ever one, FIX IT.
I once bought a T that burned down a house, new Caddy and a Motorhome.
FIX IT ASAP.
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Re: Do I really need a carb shut off valve?
You could fix that firewall style sediment bulb. Takes some work and new lead gasket to keep from weeps. Remember, gravity is pulling on that fuel always. So a good shut off is needed.
Or on this one, couldn't seem to get the bulb shut off to close best. So added this extra shut-off, works like a charm every time. I always close the shut offs when parking my Ts in the garage. As Dan Hatch posted, saves grief!
Or on this one, couldn't seem to get the bulb shut off to close best. So added this extra shut-off, works like a charm every time. I always close the shut offs when parking my Ts in the garage. As Dan Hatch posted, saves grief!
The best way is always the simplest. The attics of the world are cluttered up with complicated failures. Henry Ford
Don’t find fault, find a remedy; anybody can complain. Henry Ford
Don’t find fault, find a remedy; anybody can complain. Henry Ford
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Re: Do I really need a carb shut off valve?
I didn’t think I should have one until the float in the carb leaked..
NH - Where I used to live - not the carburetor !
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Re: Do I really need a carb shut off valve?
John, I rebuilt the firewall shut off on my '27 touring and it works fine. No need for another one at the carburetor. On my other cars I have a shut off by the carburetor because it's too hard to crawl under the car and shut it off at the tank every time I use the cars. That said, I do shut the gas off both at the tank and the carburetor when I store them for the winter.
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Re: Do I really need a carb shut off valve?
I agree with Val. I have 2 26's with the tank in the cowl. If that valve on the sediment bowl works right, you don't need another one. you can either fix the existing valve or you can buy a new sediment bowl with valve from one of the parts suppliers. On the other car with the tank under the seat, I do have one by the carburetor. It is not necessary, but saves an "OLD MAN" from having to crawl under every time.
Norm
Norm
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Topic author - Posts: 346
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Re: Do I really need a carb shut off valve?
So there were no extra shut off valves except on the sediment bowl when it left the factory, correct? Thanks
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Re: Do I really need a carb shut off valve?
correct.
Norm
Norm
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Re: Do I really need a carb shut off valve?
For those with a standard under-the-seat tank, see the Model T pages at dauntlessgeezer.com for a way to shut off fuel at the tank.
The inevitable often happens.
1915 Runabout
1923 Touring
1915 Runabout
1923 Touring
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Re: Do I really need a carb shut off valve?
I have this, from tank to carb so I can quickly reach under the frame and pull it towards me shut without having to open the hood in a situation of extreme urgency.
Last edited by skyhunter on Fri Mar 08, 2024 11:43 pm, edited 1 time in total.
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Re: Do I really need a carb shut off valve?
Not a new problem. They got there too late
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Re: Do I really need a carb shut off valve?
On our 27 Fordor, I was able to fasten a metal rod onto the handle at the stock sediment bulb. It is sandwiched between the splash apron on the wood body sill, and bent at a 90 degree angle. It would not be noticeable if I painted it black. It makes it much easier to shut off the fuel when the car is inside the trailer. I open the driver's door and reach down.
Last edited by Ed Baudoux on Thu Mar 07, 2024 10:04 am, edited 1 time in total.
Grayling Michigan
1927 Fordor
1926 Huckster
Founding member of Northern Michigan Drone Skeet Shooting Club
1927 Fordor
1926 Huckster
Founding member of Northern Michigan Drone Skeet Shooting Club
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Re: Do I really need a carb shut off valve?
The bottom line, and the direct answer to your subject line, "Do I really need a carb shutoff valve?", is "yes", you really need one. It's up to you what style or where to locate it. Never, ever trust the carb float valve to function properly, no matter how long it has worked flawlessly.