I recently finished up a gas tank modification on an aluminum tank that had some pinhole leaks. No matter how many times it was pressure tested and re-welded, the pinhole leaks would show their ugly faces again. So, I decided it would be much safer and less time wasted to convert it to a fuel cell. A call was made to Harmon Racing Fuel cells and they said they could make me a custom bladder for my existing tank.
Before I could give them the tank to build the bladder some work needed to be done on it.
I made a video of the work from beginning to end with pictures and video.