New Gas Tank Fill Problem

stwilegar

stwilegar

Member
I bought another fellers project. 1972 Scout ii 345 Auto. I'm picking off projects one by one.

Here's the current Sitch:
Previous owner installed a new plastic gas tank and all the filling hoses and breathers.
1.When attempting to fill it, gas flows out from somewhere other than the hole.
2. I was able to put 5 gallons with a gas jug with no problem. But it will not fill from the pump without spilling on the ground.
3. Vapor canister is detached and that little hose is open.

Before I go all crazy on it, I thought I would inquire of the brain trust here what y'all think the issue may be.

TIA
Bridger
 
Solved.

Found another thread that mentioned the fact that some gas pumps foam the fuel more than others. I went to another gas station and BAM! Problem solved. I love this here forum.

Happy New Year Y'all!
 
Another contributor to this issue is the location of the vent tube on the filler neck. On early SII's, the vent location tends to be lower on the filler neck which places it below the nozzle discharge. This makes it harder for the displaced air to escape as more liquid comes rushing in. This was addressed in later models with the vent location being located higher up on the filler neck so that it's above the nozzle discharge. Going slow on the fill is another way to cope with this issue. And by that I mean not necessarily even the first notch. Instead it can take placing something like an ink pen under the trigger that will allow slower than first notch flow rate without needing to have your hand on the nozzle for just short of an eternity.
 
Scoutboy74 said:
Another contributor to this issue is the location of the vent tube on the filler neck. On early SII's, the vent location tends to be lower on the filler neck which places it below the nozzle discharge. This makes it harder for the displaced air to escape as more liquid comes rushing in. This was addressed in later models with the vent location being located higher up on the filler neck so that it's above the nozzle discharge. Going slow on the fill is another way to cope with this issue. And by that I mean not necessarily even the first notch. Instead it can take placing something like an ink pen under the trigger that will allow slower than first notch flow rate without needing to have your hand on the nozzle for just short of an eternity.
Click to expand...
Interesting stuff. These old rigs are quirky for damn sure. My guess os that Ill know every slow nozzle within 100 mile radius before long.
 
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