Have blue smoke guys but conflicting opinions, smokes a bit at idle when cold, let car heat up then no smoke at all at idle. drive away, blue smoke under boost or hard accel rev car up when sitting still a few times plumes of blue smoke everywhere cough, cough. I think turbo oil seals my mate says valve stems or a broken piston ring car runs perfectly but is using a lot of oil. Any help or other opinions before I start unbolting.

That is the number 1 feature of turbo seals. They leak during the night and when you start your engine in the morning you are greeted with a puff of blue smoke which had just burned when you start.

 

Stuart

But failing turbo seals don't tend to burn loads of oil, unless it's a catastrophic failure ! A tiny bit of oil makes loadsa smoke.

it goes from max to min on a 100 mile journey but as I say blue smoke every time I go on boost every gearchange but not at idle and not really when I'm taking it easy on the loud pedal i.e. when cruise is on.

See here :-

http://www.300zx.co.uk/tech/SmokeDiag.htm

 

i doubt you could lose that much oil through the turbo seals and still have working turbos, imho

 

i dont think stem seals would lose that much either

 

it could be rings, as your friend has said, or it could be a head gasket problem.

 

or a combination of all of those things...

 

best way forward i think is to get a compression test done to tell you if it is rings/gasket

 

also check your intake pipes just to make sure you arent leaking oil through turbos that way

I think there would be some value in taking the sparks outs and seeing whats going on there. JAT