Hi all, been a long time hope all is well.

Recently bought a 2007 focus st and having issues with smoke.

Car was bought with a decaf and violent pop and bang remap on it, also had a typical oil filter housing failure which has since been replaced with a new ford one.

Map has now been removed and standard map put back with a decat patch in.

Im getting some serious smoke after laying off the throttle after heavy boost, non on boost, no power loss, no boost issues, minimal oil loss. Smoke looks more white than anything, maybe a hint of blue but does smell of burning oil. Doesn’t do it if I fly through the gears on heavy boost constant, but if I potter along then throw some boost in I get it.

Unsure where to go with it, the oil filter housing caused turbo seal failure, or am I burning off excess oil.

Any help appreciated

 

Is there much oil in the intercooler hoses/ic itself?

 

Had exactly same thing happen on my s2 rs turbo turned out it was turbo seals used to smoke badly on idle and start up id look at turbo mate...

 

Turbo seals I’d say too