in 1918 what gauges did they have ? was where a car with all the gauges in the dash ? why i ask is in my dash i have fuel, 3 holes then a filling cap and last is the speed . in the firewall i have the oil when i got the car it had gauges in but not going to thing .just filling up the holes . i think he was adding more gauges that are not time right . i'm getting gauges as time goes on . briscoe amp ,on/off, moving oil up but do not know the psi . i have seen db had 1-4 psi ,gmc had 1-10 and 1-40 do you know what the oil psi would be ?