Current testing requirements for high temperature alloys are defined in general industry specifications (ASTM, AMS), as well as in user specifications. Many of these requirements were established in the 1960's when production practices were yet to be refined.
cowling - protective covering consisting of a metal part that covers the engine; there are powerful engines under the hoods of new cars; the mechanic removed the cowling in order to repair the plane's engine.
How to build a true cowl induction cold air system for any car. If thereâs one trick that any car can benefit from, itâs cleaning up the path of airflow to the intake and providing a route for the coolest air possible.