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2008 Lightning Gas guage not tracking levels correctly

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2008 Lightning Gas guage not tracking levels correctly

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Old 10-27-2016, 08:21 PM
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As many have mentioned it's just the design (flaw) of the tank and the boat. With SmartCraft you have a huge advantage - fuel burn. Use it to calculate how much fuel you have burned - just remember to calibrate it each time you add gas.
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Old 10-28-2016, 06:48 AM
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Originally Posted by MN35LIGHTNING
As many have mentioned it's just the design (flaw) of the tank and the boat. With SmartCraft you have a huge advantage - fuel burn. Use it to calculate how much fuel you have burned - just remember to calibrate it each time you add gas.
Only pitfall with this strategy is you don't know how much of the available fuel left that your motor can actually pick up. Using Smartcraft on one particular trip showed we had burned 65 gallons per side, then the motors ran out of fuel. After getting to the fuel dock, the boat took 65 gallons per side to fill. That was not a fun way to learn that either the tanks are only 65 gallons instead of the advertised 75, or that the last 10 or so gallons can not get picked up by motors.

Now I know, just like we all know how the mechanical fuel gauges perform so we plan accordingly.
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Old 10-28-2016, 07:02 AM
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OK thanks for all of the info!! I guess i need to be looking for the fuel dock when i see a half tank! Another quick question for you guys. What king of water temps are you guys seeing or do you feel is good for a set of 540s? The previous owner wasn't running any thermostats and my water temp gauges weren't registering anything past 100F. I put a set of restrictors in it this week but unfortunately with the weather here in Ohio and life being too damn busy i have put the boat away for the season so i wont be able to see what kind of temps i am getting until spring. Can anyone share what kind of water temps are good/ normal around cruising and wide open? Thanks for all of the help! You guys will prob be hearing from me more and i am learning more about the boat and trying to get things dialed in.
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