In a second embodiment, {TAIL ~ the fuel injector} is positioned between the air delivery passage and the side of {HEAD ~ the engine} 
In a second embodiment , { TAIL ~ the fuel injector } is positioned between the air delivery passage and the side of { HEAD ~ the engine }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD