Well, the 7 or 8 being the number of new or re-connected fittings, 0 being the number
of leaks. Hooray! No do-overs, tightenings, re-seals or re-flares in the install of a
second tank on my '90 Westy and inter-connecting it with the #1 tank.
I thank those who replied to my question about working with copper tubing. Originally,
I was trying to re-use the tubing from the install on the '88 Westy,  but because the
#2 tank didn't have a regulator and the #1 tank had the old style reg., whereas on the
'90, both tanks have the newer regulator, the old tube was going to require too much
straightening and re-bending and wasn't going to work. Now, with all new tubing, it's
done right.
I will write up something a little more detailed later, if anyone is interested.
Jerry