Quote Originally Posted by Robo View Post
Even though you fitted a provent it may pay to keep an eye out for oil in IC.
As you noted large oil mess from old IC,
If ya find oil again, It's also a typical sign of a worn turbo.

Lets hope not, and your done and dusted.
just a preventative inspection.
cheers
I installed a provent before the new intercooler was installed and I've noticed a light film of oil in the IC since so I guess it's either leftovers or a very very small amount still gets through.