That’s a lot of gas for a 23’ and that would be a lot of extra weight “IF” you filled it up But if you don’t fill it up unless you are planning on a 400 mile run the ride should be ok. Ya, maybe the tank extends to much to the stern that lets say a 120 gal tank but maybe they moved it forward and removed the deck hatch. Any which way if you don’t fill her up to the brim your trim tabs should be able to compensate for the placement of the tank. But I would want a rite first just to make sure.
FellowShip
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My motto: Just for the Grins