I ran into a local gauge manufacturer who actually sells a 10 Bar oil pressure sender. I asked if his sender would work with our Series I 0-140 psig gauges and he replied that he know without more information about our gauges. ( 1 bar is 14.7 psig) What is unique about his sender is that it is not a dual purpose sender like almost all of the other senders available for our cars. Dual purpose senders are intended for use with idiot lights and go open when oil pressure goes below approximatel