BTW I was 5'-7" and 130lbs (Feb 2005) and in 18 weeks got to 165. I'm now 74kg and mildly ripped. I only worked out 4 hours per @ week 4x per week.
I fed 24/7 or at least all waking hours. I'm about to start it again and going for 175-180 in another 16 weeks.
Chicken, beef, tuna, milk and eggs. 1 or 2 of each should be most of all 6 meals each day in my case. Do seconds at dinner. Add 2 shakes ....1 morning and 1 @ night.