Join Date: Feb 2002
Location: MELBOURN, Non-US
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Re: Oil in Intake Manifold and TB
The oil in your intake manifold would have come through the PCV valve in the valve cover......after the oil-overfill it would have literally poured through!.
Some turbo cars also have a crank-case breather which vents oil-fumes back into the intake pipe between the filter & turbo to be re-burned for emission-control, this leads to a coating of oil in the intercooler, up-pipe, throttle-body & intake manifold.
A tapping hydraulic lifter can often be cured by using flushing oil before re-filling with 5W/40 pure synthetic oil.
My mods.(180 crank bhp.) include: cold air induction (with 12v fan & ram air), dump valve, FSE fuel pressure regulator, strut brace, rear (+2.5") spacers, Spax lowering springs & Pedders shocks. Subaru bonnet scoop & upgraded cockpit. Custom 2.5" exhaust with twin 4" tailpipes & 15"x7" alloys . Intercooler fitted + manual boost controller & oilcooler.