Garage Propane heater use?

[RickMcK]

So my 36 pick up is in a 10 ft by 25ft garage with the last 8ft sloping down above 5 inches, and loose fitting swinging doors (rear of truck at the swinging doors). Gasoline is heavy and sinks to the floor. This is why building codes require heaters to be 12-16 inches above the floor.

What's your opinion on using a catalytic propane heater in the space? I don't want to go BOOM due to the potential of gasoline fumes. The tank filler cap is below the level of heater element, (which is good) but the carburetor is 1ft+ above the element.

I can open the door or a window opposite from the swinging doors to provide the potential for some draft along the floor towards the swinging doors.

Any suggestions advice?

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