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Discussion Forum

Re: Alternative Fuel Valve ...part ll

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Tony Jacobs

10-18-1999 21:44:14

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John Putting aside all safety and expense issues , your fuel lines are wrong someone modified them , Ford did not run them that way when the tractor was new , get a ford service manual or an I.T. manual to get a look at the picture on what it should look like or go to a ford tractor dealer and get a picture of the parts break down and it will show you what the right way looks like ,I have never seen or used the type or tisco part you are taking about , that also makes a simple answer hard when you are dealing with a non-factory modification ,sorry if it's no help I have seen fuel lines run the way you describe , and they will cause vapor lock problems ,because too much of the line is exposed to the exhaust heat , plus since it is a gravity feed system you end up with horizontal fuel that was not even there to begin with, and now there is a place for fuel to sit and boil , thats why it was a vertical line from the shut-off to the carb, even if it could boil ,the gas vapor would rise to the tank and be replaced with more gas , from shear weight of the fuel in the tank pushing it down the fuel line to the carb Thanks Tony Jacobs

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John Mitchell

10-18-1999 22:13:40

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 Re: Re: Alternative Fuel Valve ...part ll in reply to Tony Jacobs , 10-18-1999 21:44:14  

Thanks for good info. I believe you are correct in the idea that someone had re-routed the fuel line. Why I have no clue, but I ended taking the old fuel line off and going to NAPA where I bought all new steel line with new fittings and a brass shut off valve. I do have a I&T workshop manual and used that as a guide to reinstall the steel line and ended-up placing the shut off valve in a vertical position above the manifold, running it straight down into the sediment bulb fitting. After installing the new line and valve, I used the tractor for a while and had no problems with gas leaks or vapor lock. I have a vertical exhaust pipe and never experienced vapor lock problems before, though I do understand that is/was a common problem, The valve works great. I just turn the fuel valve off and run the engine until it dies...Thanks for all the help.



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