Warrior wrote:I can see my body changing and firming up. Love to see those muscles.
Congratulations on making that change happen. It is very clear to me that you are the kind of person who sets a goal and goes after it.
What isn't clear to me is exactly what your goal is. Is it to have huge muscles, or is it to be lean and fit and strong enough to do everything you need to do in your life? For example, I am 62 and I do a weight-machine exercise every day -- for instance, seated chest-press on Thursday. My goals are to work all the muscles, through the week, and acquire enough strength to do all my tasks, such as occasionally carry my 65 pound bicycle up stairs one floor. My muscles aren't big anymore but they are well defined and they do the job they are supposed to do.
If your muscles are already getting stronger and better defined, it sounds to me like you don't need to increase protein at all. Go for health: very low fat, high fiber, whole foods, with the basic amount supplied by the regular McDougall diet -- about 65 grams of protein. (Of course you need to eat a very wide variety of foods to make sure you get all the many different kinds of protein, but that should not be a problem with the McDougall approach.
About a year or two ago, Dr. McDougall wrote an article about protein for his newsletter. You might search for that in the newsletter archives, and study it closely. It is very helpful.