You've probably read this line a dozen times: "It's never been easier to make horsepower than right now." While that's true, it also means everything else in the engine is now more highly stressed.
Lots of displacement, more compression, and a ton of valve lift used to be the recipe for a typical professional-level drag-race motor. Today, this same description could just as easily be a serious ...
This article deals with low ambient head pressure controls containing charged domes. Their function is to keep a proper condensing pressure at the metering device for proper feeding of the evaporator.