blue smoke and burning oil after head swap.....any ideas?

[bartelson23]

So about a month ago i purchased a performance head and swapped it on my engine. Everything went fine with the swap. Following the swap has been a complete nightmare!!!! Although the power from the new head was tremendous, while it was on and very, very impressive. I havent even tuned it for optimal performance yet! My problem now is that upon start up my buggy burns a great deal of oil and blue smoke continuosly barrels out of the exhaust while idiling and even more when driven. Im no dumby when it comes to mechanical situations by any means. I've got a good idea the head gasket isnt doin its job which would be the logically diagnosis. The interesting part is that its not leaking externally between the head and the cylinder/jug but, instead, internally. Im sitting here scratching my noggin now because i've replaced the head gasket twice and am still having the same problem. This is causing my plug to foul out and also my exhaust, pipe and muffler itself, and the exhaust valve chamber are becoming gummed up with burnt/un-burnt oil. Can any of you guys give me some insight on what else you think could be causing this problem? If the brand new head gasket im going to put on doesnt fix it then im stumped. The only other thing i can think of would be that the valve guides are leaking put considering this is a brand new unused head thats highly unlikely. Any input on what you guys think could possibly be the culprit feel free to share. Thanks!