an acoustic damper provided in said tube, said tube connecting said pressure detector to said {HEAD ~ combustion chamber} with {TAIL ~ said intake tap} 
with
an acoustic damper provided in said tube , said tube connecting said pressure detector to said { HEAD ~ combustion chamber } with { TAIL ~ said intake tap }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL