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.
Considering Maxâs rather extreme engine setback and lack of HVAC equipment under the dash, ducting the intake directly to the cowl seemed like a no-brainer to us. As far as performance benefits versus other methods of cold air induction, itâs really up for debate and truly depends upon the airflow dynamics of the car.