Fuel tanks

Jondadi57

Jondadi57

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Location
Fort Lauderdale
C Dory Year
1997
C Dory Model
22 Cruiser
Vessel Name
Sea Angel
I am wanting to put Yamaha's fuel management gauges on my Dory. Unfortunately, my tanks do not have fuel sending units. Is this the norm with C-Dory fuel tanks. I haven't pulled the tanks yet, so I don't know if they will accept a fuel sending unit. Any thoughts or experience with this?
 
The tanks in the 22’s are normally translucent plastic, and you can directly observe the fuel level in the tank. Sometimes I have had other put a bright flashlight on the side to see the level. You can also “sound” the level by tapping.
 
My point is that I want to track GPH & MPG for an extended trip. I also installed a fold down seat that obstructs the view of the tanks. I need to know if the tanks will accommodate a sending unit....
 

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You can put a flow meter inline with the feed to the engine to get FF and MPG (if you have a suitable GPS). If you have a multifunction plotter you can display the info there or on a separate display.
Be aware that a low rpms, modern FI engines will only show FF intermittently when the low pressure fuel pump on the engine cycles.
You can pull the tanks and add fuel level sensors if you like.
 
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