Thanks Nev, but what put me off this was the :Here's the compressor I've used in the last 3 cars inc the current one:
Cheap as chips, has never let me down.
Item Weight 23 g
Item Weight 23 Grams
Is this powered by a colony of electrically stimulated ants, breathing out in unison?
I've gone for the PIAS003 (PI autostore premium), as it should be better at the higher pressures.