turblower

hi,1 of my cars is smoking sumtimes wen it comes off boost is smoking blue which i know is oil,(when first started it do not smoke)?the engine was rebuilt etc an the head had a good overall seeing too,sum1 told me it could be the oil feed pipe putting to much oil throught the turbo,not to sure an is doing my heading..

martysmartie

iTrader: (1)

Blue smoke indicates oil is being burnt, so it has to be entering the combustion chamber(s)!

Do you what work was done on the head? Weak point on these are the valve guides, which will allow oil past the valves, stem seals arn't a common problem, but I would hope with all the effort of a rebuild they were replaced?

Does it smoke on the overrun as well?

Martin

Cilly-jey

turbo?

R4N SS

iTrader: (6)

seals on the turbo as im guessing you didnt get the turbo rebuilt when the engine was rebuilt.

Rsmat

iTrader: (2)

Same my guess would be the turbo seals.

turblower

all the valve guides were done aswell as the seals.u can leave the car runing for about 20-30 mins ticking over an then sum how smokes belowes out an it goes again,could it be the oil redecer on the turbo?i thought that wen the seals are gone on a turbo it smokes all the time

coswurv

iTrader: (8)

One thing you can try is when the engine is hot switch it off and take the plugs out, then shine a torch in each cylinder and see if any have oil in, if they all have an even amount i would say its not the engine its self and more than likely the turbo depending on how much is found, if you find oil just in one cylinder then your looking at possible piston/ring failure or a valve guide or seal either way if the latter is found in one cylinder it will have to come apart anyway.

Rax

iTrader: (1)

Pull the turbo to cooler pipe off and see if there is oil in there.If so its probably the turbo on its way.Pipes and cooler will have to be cleaned out once turbo replaced/rebuilt.On severe cases you will get a build up in the exhaust too.What boost are you running/higher than standard ?.Do you have a breather on it?.The engine in my black one had been rebuilt before I got it but that used to smoke at first constantly=turbo goosed.Replaced that and then like you no smoke on tickover a little bit when I had driven it slowly and then give it beans then it would clear.I too had the smoke on over run.Worst case it getting past the rings but then again it could be the guides if cheap items were used .Well thats my 2p at it anyway
iirc mine used to use about a litre every 500 miles i think.

mattman1234

have you a hp oil pump fitted ?

turblower

sure is got a standard oil pump,

turblower

hi,is not running on standard boost sa it got a few goodys an a bigger turbo,it has got a oil breather system too,i will have a look at the pipes on da weekend an will let u know,could be possible is the turbo seals on its way i think.is that the way u check the turbo seals?

turblower

will have a look on the weekend an let u know the outcome,touch wood..

richbogle

Hi mate.i have a sapphire stage 3 had for 3-4 year now and its ALWAYS smoked on over-run! I rebuilt full engine due to seperate malfunction! Pistons.rings.all shells.bronze valve guides.good stem seals the lot! And gues wot,it still smokes on over-run.how bad is down to personal opinion bud it does smoke noticeably and they all do.it got slightly better when i got it properly set up wiv an msd chip cos it was overfueling b4 that. Car runs,sounds,and pulls beautifully and now iv just learned to deal with it and dont look in the mirror after gettn to bottom of a hill lol

martysmartie

iTrader: (1)

Remember the YB has an appetite for Oil!

In the handbook it states 1 litre of oil every 600 miles is perfectly normal, so using a bit of oil is nothing to worry about!

I to have a rebuilt engine/turbo and use a little oil.

Martin

Yura

what you mean if hp oil pump is fitted mate?

coswurv

iTrader: (8)

He means a high pressure oil pump.