I doubt if this will get much discussion, but I am very sure that I read or saw somewhere that you should not use quite as much weight as Joe says. My recollection is that with the boat lying on its side you should have enough counterweight so the jib boom points at the upper stay that is closer to the floor - points at the upper stay where it attaches to the stay rack.
I guess either way is acceptable with Joe's info being the accepted "internet method", if you read the Victoria page written by Tom Causin and also Lester Gilbert's info.
Someday I am going to painfully (humor) scroll thru the Bob Sterne EC-12 tuning video (VHS) to see if he shows how he does it.
I thought Bob was out of business. Who knows? That is a great tuning video and the EC-12 is what he is tuning. (I think he leaves you with the impression that we set the outhauls a lot fuller than we really do as the wind comes up.)
I do know that having too much counterweight makes life difficult in very light air. Sailing upwind the jib wants to sit on the upwind side (backwinding) in very light wind.