You will have an onset of about 5-10 mins faster than you will taking the whole pill orally. I like to parachute pills with a good oral BA, like I usually will parachute benzos like my klonopin or if I have valium or maybe Xanax those too, I always have kpin though because I am scripted them, so in order to get a much faster onset I will usually parachute them, and I will mix a valium or Xanax with one if I have those too, in one parachute(that feels wonderful) I'm going a bit off topic though.. SO really you will get about the same effects as swallowing the whole pill oral with oxy just a bit faster.. now sniffing oxy.. that's a bit different! Oxy has a great oral BA but I just like to sniff them, I started sniffing them before I even tried them oral. Even after I progressed slamming them, I still liked to sniff them too just for the taste in my nose and the whole ritual. Plus it lasts longer sniffed and especially when taken oral. I always just thought oxy was boring when taken orally though for whatever reason, even though it had me feeling wonderful that way, I felt like I had to abuse it when I had them lol. I loved to sniff them, smoke them, plug them, IV them and liked the feeling of oral too, but just couldn't make my self take it that way unless I had to, like if I was getting pulled over with them or something I always would just eat them. Glad I am over that shit though, and on subs now, worst most expensive addiction I ever had along with Heroin. Still love that feeling though, always will, just hate all the shit along with it!