Originally Posted by
cossiedan1983
sounds like a stem seal torn possibly worn guides, usually stem seals smoke on over run and is blue where as turbo smoke is usually white but if turbo has gone on compressor side it will show as blue
cheers for your reply mate ,yes the turbo is brand new and so are all the guides as i had a full engine rebuild so hope fully it is stem seals altough it is fine on the over run !!!