|
Honestly, this is a bad idea. There's a reason they created the charcoal canister venting to the intake manifold, keeps the fumes pressurized in the engine and it doesn't create that wonderful pop when you pull the gas cap.
The closest you could come to this idea is using a fuel cell with a pressurized air bladder, to keep the fuel over the pump when under high lateral G forces, ie racing applications. But those tanks don't allow for filling up at the pump, you have to have a specialized filler to push against the air bladder without it forcing fuel out.
You could always go back to the days of float bowls on carbs if you really don't want the electrical load. It'd just be vacuum load then.
__________________
|