Diego53
Active Member
Fuel line is bubbling air into the filter and won’t fill up enough to stay running or even start half the time .. what’s the best method to find the leak ? Btw I have a 65 dart
Fuel line is bubbling air into the filter and won’t fill up enough to stay running or even start half the time .. what’s the best method to find the leak ? Btw I have a 65 dart
it should not boil if the tank is vented and there are no external heat sources...65 tank has a non vented cap and a vent pipe up under the fender at the pipe head. its clipped to the body and points down. can see it from the trunk : small 1/4 tube that can be used as an air source or cap it. if you can (low) pressurize it with a bike pump or even a inflated balloon held on the end go under the car with a spray bottle of water and soap and gently squirt the fittings with a stream of this. if a bubble starts to form , there is your leak. I'd start at the rubber hose from the sender.Are you sure it's not boiling the fuel,
Ethanol boils at 173 F
its vented in the filler pipe.Air hose and a rag in tank filler pipe, maybe 15 psi. Cap at the carb
Done this so many times in 60 years on older than 65 and newer than 65, I said 15 for the novice, we just did the air hose at full 100 psi but we knew when to let off. Do you have your mask on?You do NOT want to put any 15 psi into the tank. Disconnect the line, plug one end, and pressurize it. Actually just replace it if you know it's the line
Oh really, pressure in the line forces stuff out the last time i checked. Works on tires, brake lines, radiators, hoses, heater hoses, need more?Neither of you are helping the OP with this witty banter.
Agree to disagree, if OP takes bad advice that is on him for not doing more research.
Neither of you are helping the OP with this witty banter.
Agree to disagree, if OP takes bad advice that is on him for not doing more research.
You don't need to tell me, 14.7 psi atmosphere can turn it into a pancake if you put a vacuum on it.Dana I know you are a smart guy
Agreeded it was the amount of pressure that was bothersome.Oh really, pressure in the line forces stuff out the last time i checked. Works on tires, brake lines, radiators, hoses, heater hoses, need more
Then there would be fuel in the oil. Unless slant....Hole in the fuel pump diaphram??...
One of the principles of hydraulics. 5 PSI is 5 PSI weather it’s a beer can or 55 gal drum!
But 5 PSI is 5 PSI.The square inches of a beer can is a lot different than the square inches of a 55 gal drum.
Your confusing pounds per square inch with volume.The square inches of a beer can is a lot different than the square inches of a 55 gal drum.
Your confusing pounds per square inch with volume.
Your not making sense. I'm making one statement. If you fill a 13" tire to 5 PS1 and you fill a airplane tire to 5 PSI, they both have the same Pounds per square inch! I'm not saying the volume in a airplane tire will fit in a 13" Valiant tire.Exactly Roy,
beer can is 2.6" diam
55 gal drum is 24" diam
2.6xpi is 8.168
24xpi is 75.4
8.168 x 15psi = 122.5 pounds of pressure
75.4 x 15psi = 1131 pounds of pressure