Anyone else notice that one tank empties faster then the other one...... I run a 358 with twin 575's and one gauge always drops faster then the other......then when I fill up that tank takes more fuel.....that rules out the gauges......anyone else see this......

yes I noticed it also!! Why is that ? Which side is always less, port or starboard ?

Starboard side goes lower quicker......

Especially with carb motors, one will always drink more than the other. I have a pair of 496HOs, and also experience the same thing, but only about a 10 gallon difference over several outings.

Also, your fuel level senders are not a perfect science. For a more accurate reading, upgrade to the Livorsi electronic level senders vs. the gravity/float senders you have now.

My gauges read 1/4 tank different, but with 496ho's I have nearly identical comsumption. It's easier to live with the innacuracy than it is to fix them. When I had carb motors, there was about a 10 gallon difference in consumption per tank.

[QUOTE=GO4BROKE;2650987] It's easier to live with the innacuracy than it is to fix them. QUOTE]

I agree....... I am just curious why..... and my motors are TBI not carbs..........

Yes the starboard side alwats shows about a 1/4 tank less .anyone know why sonic did'nt make there boats with just 1 gas fill instead of 2 seperate fills ?

Mine is off due to two engines out of one tank and one out of the other. Funny thing is though they are not off by much, even after a fill up.

Two fills vs single?? One fill is for each tank. With the tanks on each side of the center stringer it is easier to replace one tank if needed and easier to run two fill lines than just one. If that makes any sense

which gas fill does what tank?

Forward fill for Starboard tank?
Rear fill for Port?

or viceversa?

Thanks

Forward for Port.