I have a 1991 Mustang 5.0. My gas gauge and temp gauge do not work (they worked when I purchased it). I know the speedo and Tach are different. Are the other gauges the same between a 5.0 and a 2.3 (volts, oil pressure, gas, water temp)? I can get a gauge from a 1993 4 cyl. for free. If I swap...