Thanks guys. This process was very satisfying to complete.
I posted this to encourage others that have good skills to try this. I really don't think it's difficult nor requires particularly high skill level, but it is time consuming and requires that you do the steps completely and well.

Drew,
I would like to add to the picture on leak checking that caution should be exercised in how much pressure to put in the barrels. I would limit it to no more than about 30 psi. There is a lot of surface area between the ribs. If you put 100 psi in there, multiply the area between the ribs times the 100 psi and you have the force that is pushing the barrels apart.