On a 1974 Porsche 911 How many ohms does the fuel sending unit have you want to replace with aftermarket Thanks?
Fuel Sending Unit Resistance
0-90 Ohms: Full Tank
90-180 Ohms: 3/4 Tank
180-270 Ohms: 1/2 Tank
270-360 Ohms: 1/4 Tank
360-450 Ohms: Empty