Winnipeg wrote:
Small tanks are definitely a pain. I had a Chevy Duramax with a 26 gallon tank. You never want to run out, especially with a diesel, so it was less than 20 gallons usable. On long trips, where you didn't know where fuel stations would be, we ended up getting fuel about every 150 miles! VERY slow progress.
We always kept 2 plastic Jerry cans in the back for backup, not fun (diesel on your hands is very stinky stuff).
I thought the solution would be to add an auxiliary tank, or maybe replace the stock tank with a larger one. Both options were available. BUT, just one problem. The pickup was a 2500 (3/4 ton) and the fiver already had it maxed out for weight. A small increase in fuel tank wasn't worth the cost and a large one would put the truck over weight.
Not an easy fix.
I had a similar problem. Two-hundred miles between fuel stops with my Duramax got real old, real fast. Replaced the stock 26-gallon tank with a 52-gallon Titan tank and am very happy with the added fuel capacity. In addition, L installed a set of 2500# Helwig Helper Springs to handle the extra weight which did not exceed my RAWR. Now we can travel 400 miles between fuel stops, which is essentially a day's travel for us.
If the OP can swing the bucks for a large replacement tank, I believe he won't regret it. Just MHO.