Oil in throttle body pipe

[LastTemptation]

hey guys i pulled out my throttle body when i got my car and cleaned out some

oil that was there.

then today i had a check up on it and noticed that there was black oil in the piping.

im not sure why this is. should there be any oil there at all.

also the car has fresh oil in the engine, i dont know why this is totally black.

one of my mates said the turbo is on its way. another said im running to much psi.

currently at 10pounds.

here is a pic of where i checked.

[VIPERGTSR01]

its most likely comin from your PCV (positive crankcase ventilation)valve, it probably just built up over the 10's of thousands of Km's of driving. but If you cleaned it and then it came back straight away thick like that then i would be alittle concerned

[IanH]

I had the same thing on my GTT. It turns out that the oil I was using (0W-40) was getting too thin at high temps and leaking past the seals in the turbo. A change to 15W-50 Silkolene Pro-R race oil sorted this out and my pipes have been clean since.

[BIGBLOCKR31COUPE]

It's normal. It is blow by coming through your PCV in most cases. This is why people use oil catch cans and oil-air separators. Don't worry about your turbo, this is not normally a problem at your low boost level. as long as you are regularly changing your oil it will be fine.

IanH - yeah, 0W40 is too thin for a turbo car in most cases.