Without knowing your bodyfat, we dont know how muscular/lean you are. Either way, i would stick to bulking, dont try to do both or you'll end up spinning your wheels. Just make sure you keep your diet clean and do cardio. Read the stickies for more info.

And you workout for 1hour and 45minutes? That seems a bit too long as most guys workout anywhere from 45min to 1hr and 15min. By the end of your workout how do you have any energy left? What program you doing?