Took out my gas tank to find many holes

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This weekend i noticed we were leaking fuel pretty bad. So yesterday I took out the remaining thirty gallons and put in containers. And then i removed the tank. I just cut around the tank with a hand saw to free the foam, and then hoisted it out. it wasn't as easy as it sounds but we got it all done in a few hours. After removal we found 18 holes in the tank, some as large as a half dollar. My dads friend is going to weld me a new one i think, but until then i am just going to shove a couple smaller tanks in the hole to keep me fishing the next week or so. All in all it wasn't to bad. but that foam holding water sure did a number on the aluminum tank in my v!!!