Originally Posted by Diesel911

If the Air Tank is big enough the "goods" can be under pressure (even if it is decreaseing pressure) right to the point where they exit the Barrel/Pipe.

JC Whitney & company used to sell an Air Hose that screwed into the Engine by way of a Spark Plug Hole for emergency Tire inflation. But, I think they ment you just cranked the Engine and not starting it.