Mechanical vs Electrical gauges

Mechanical vs Electrical gauges, the best one to use.

[@peadarmacewen4710]

Clear, practical advice; well done.

[@doug595959]

i'm in america and use autometer gauges all mechanical. all mechanical gauges come with that crappy plastic tube, throw it away. autometer has a copper tube and as extra precaution i slide a vacuum line over the copper tube before installing