Wow awesome goal man that is a substantial amount of weight. That will take some true dedication and being loyal to yourself. Anyone can gain weight but the important thing is to gain good weight. The biggest battle will be in the kitchen rather than the gym as one workout per day may be 2 hours but that leaves 22 hours a day to eating properly.
There is some nutritional advice on how much protein to consume for your bodyweight here: http://www.thestrengthcenter.com/greyhound_display .php?article_id=2
And this article gives you some good post workout advice on what to consume right after you train: http://www.thestrengthcenter.com/members/article.p hp?userID=1&articleID=29
Good Luck,



