Amount Protein Intake?

Ok so for some basic info, I am an 18 year old male, 6'2, 183 (185 i'll explain later). I have started to lift pretty religiously for the past year or so but failed to see any real inspiring results. So for the past few days I have made a change that I surprsingly had not tried yet. I'm actually ingesting the suggested amount of protein I am supposed to. (1g of protein for evvery pound of body weight). As you might imagine, this has actually been fairly challenging, but I have done pretty well. However, I am already fairly concerned because in the past 48 hours I have put on nearly 4 pounds. Will taking in this much protein result in simply gaining fat? Considering I continue to lift. Thanks.