I run factory compressor and an American hi-speed compressor
Factory slow and quiet
Hi-speed lots of noise but will fill empty tank and raise car to high from bumps stops in roughly 1:30

May be my high speed compressor and WA heat at root of my prior issues
which were plentiful When doing the eBay thing with suitably rated
nylon and brass fittings

In short both brass and nylon would blow apart with caravan and hot weather
However 18 months ago I had enough, visited Enzed fitted slightly expensive stainless steel push on fittings and wished I had never been a cheap arse

Actually I spent more overall replacing blown nylon and brass with the same then cost of stainless