changed my valve stem oil seals, i have been told teh car will still smoke for a while but for how long?? Also theirs some traces of oil in the exhaust is that turbo gone

 

Sounds like turbo seals mate unfortunately i've been there and done this when i had my s2, changed the valve stem oil seals like you and still blue smoke,

I then took it to my local tuners and they said there should be no smoke almost straight after starting i then swapped my turbo with my mates while his rs was off road and no smoke with his turbo at all,

Have you got a good mate that could do the same for you to save you buying bits you may not need? hope this helps cheers and good luck, Grant