Posted by MNHunter01 on November 22, 2022 at 14:26:35 from (165.225.10.174):
New owner of a 1970 Ford 4400 gas. The tractor was having fuel issues when I picked it up. Runs well for a few seconds (occasional minutes) and then just quits. Always restarts without issue, but same failure occurs. Its starving of gas.
Digging into it now and I can see that the fuel setup between the fuel tap to holley carb has been overhauled in a frankenstein manner. The mechanical pump has been replaced with an electric pump. Some of the existing metal lines are still used and in between those metal lines is rubber lines. The sediment bowl is gone, but a brass fuel filter exists.
When I went to work on the tractor I discovered the pump was not getting fuel. Blowing backward in the line to the tank cleared a blockage and then the pump worked as I'd expect, however in messing around, the metal line feeding the carb pulled out of the carb fitting. I am struggling to get it back in...My question is, can I replace all lines with rubber?
That would mean replace the fuel port on the carb to accept a rubber line and hose clamp over the top. Thoughts? I will also be cleaning out the gas tank and ideally replace the fuel tap with something with a filter. If I can't get at it, Id prob shop vac out the tank to pull the garbage... but not sure if it will be effective.
fuel setup plan would be: New fuel tap > Rubber line > new in line fuel filter > Existing Electric pump > New fuel line directly to carb port
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Today's Featured Article - Tuning-Up Your Tractor: Plugs & Compression Testing - by Curtis Von Fange. The engine seems to run rough. In the exhaust you can hear an occasion 'poofing' sound like somethings not firing on all cylinders. Under loaded conditions the tractor seems to lack power and it belches black smoke out of the exhaust. For some reason it just doesn't want to start up without cranking and cranking the starter. All these conditions can be signals that your unit is in need of a tune up. Ok, so what is involved in a tune up? You say, swap plugs and file the points....now tha
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