At some point my fuel tank was dinged, and evidently has a reduced capacity.  It does not leak (and I don't smell gasoline at fill up, at least not any more than with any vehicle, new or otherwise).  The tank is empty at what I call 3/4 on the gas gauge, so I always refill it just before it reaches that level.  It takes about 12 gallons to fill it when it is right at that mark.

At any rate, I am considering replacing the tank and whatever else I would need to replace in the process.  Should I go ahead and put in a new sending unit while I am at it, to forestall redoing work in case the unit is faulty?  What else do I need to order for the tank replacement?

The only online source I found for a fuel tank was Bus Depot at $160.  About right?  Can anyone direct me to any other sources?  I did not see a fuel tank listed at VanCafe, GoWesty, or VanAgain.  Do I need to rust proof the tank before installation?  Why aren't these tanks polyethylene to avoid the rust problem?

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David McNeely