The method 8 wherein said first and second valves are {TAIL ~ intake valves} and wherein the first and second cylinder have {HEAD ~ cam actuated exhaust valves} 
The method 8 wherein said first and second valves are { TAIL ~ intake valves } and wherein the first and second cylinder have { HEAD ~ cam actuated exhaust valves }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD