Half empty....half full : fuel tank sending unit and guages

Another necessary fuel system detail involves the installation of fuel level sensors in the tanks. I chose a sending unit made by "Sea Choice" because it was reasonably priced and rugged in design.

This  involved using a hole saw to cut an inch and a half hole in the top of the tank , drilling and tapping five fastener holes then screwing the unit in place.

One obvious disadvantage of triangular cross sectional tanks is that a standard linear sending unit will show misleading readings so when the gage reads 1 half, it will really mean 1/4.  Unfortunately, empty will still mean empty.

Here is the final location of the fuel gauges