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