It should also be appreciated that {HEAD ~ the housing} 20 is placed on or near the engine 12 and, as illustrated in FIG 2, receives {TAIL ~ heat} from the exhaust manifold 18 
It should also be appreciated that { HEAD ~ the housing } 20 is placed on or near the engine 12 and , as illustrated in FIG 2 , receives { TAIL ~ heat } from the exhaust manifold 18
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH