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I am going to be taking my truck bed off the chasis very soon for paint. I wonder about the 30 year old gas tank. Other than the very brittle and deteriorating rubber hose that connects the fuel filler to the gas tank, the gas tank itself seems to be fine and the carburetor bowls stay clean.
Should I go ahead and replace the entire gas tank now while the bed is off and I have easy access, or should I just leave well enough alone?
If it looks to be in serviceable condition and in good operating order, I'd leave well enough alone... if it's ain't broke, don't fix it. Chinese-made replicas are woefully thin and cost about a hundred bucks.
Might replenish the soft material between the tank and straps, though; the straps will eventually wear a hole through the tank if left metal to metal.
I'd pop the sender out, and have a look inside. If it looks good in there, and no signs of issues on the outside, leave it be. 30 year old American steel, in good condition, is WAY better than new chineese steel, any day.
That was my reasoning behind spending an extra 30 minutes *carefully* removing the ~40 year old USA axle bearing, in order to reuse it, rather than going with a new china bearing, when dad's truck had a leaky axle seal........
simple durability test, after you look under the mat (between the frame crossmember and tank skin), take a phillips screwdriver, stab the tank. If it goes through it was week anyway.
Just got a new tank from advance auto, measured and verified it is the same gauge steel. BUT I still applied Upol "Gravitex" chip guard over the whole exterior before installing.
"should" last longer than me...........
My tank is at least 5 years older, yet I have no plans to replace it. I *may* delete it when I do the diesel conversion, and add a larger capacity rear tank. Only reason I would delete it, is the older galvanized tanks aren't the best choice for diesel fuel, unless the fuel is kept fresh. Newer tanks aren't galvanized, but if I buy one, it will be a 30+ gallon for the rear, where I don't currently have anything.