H.D. Diesel powered large trucks and piston powered gasoline aircraft engines use EGT, the red line on EGT senders before the turbos is 1450 F and similar on aircraft engines scope
700 to 1000 F on exhaust cast iron manifolds should be no sweat time up twocents

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)