I have seen photos showing as Mike says, and a complete turn loop before heading down from above chassis rail/s. From memory, I recalled reading something about this being to avoid vapor lock, but I don't know if that is correct or a later addition.
		 
		
		
		
		
		
		
			
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				Ford CMP, 115" WB,1942 (Under Restoration...still) 
Medium sized, half fake, artillery piece project. (The 1/4 Pounder)
			 
		
		
		
		
		
	
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