I am in the market for some gauges for my 90 mustang. I am installing a v3 blower and I am at a loss on what particular brand is reputable now a days. Im looking for AFR, RPM, Boost, Fuel Pressure and possibly a temp gauges. My car temp does work but when I turn on the lights it goes up and goes back down when off? Do I need 2 separate gauges for Fuel pressure and AFR? What do you seasoned vets recommend?