To keep the vane chamber clean in the future, experienced members suggest that the
engine be revved up almost to the red line at least once each day, simply referred to as
an “Italian tune-up.” The other advice is to “drive it like you stole it!” This puts a lot of
hot exhaust gas through the chamber area and will burn out the carbon. I started doing
this after my 3rd turbo removal, and when I inspected the vane assembly and machined
backing plate on the 4th turbo removal, both were bright and clean. From new until the
car had 78,000 miles on it when the turbo failed, I never revved the engine over 3200
rpm. I was treating it like a Detroit product. That kind of driving is an invitation to
carbon fouling. Rev the motor up daily! It is German made, and not only can take it, but
needs it!
engine be revved up almost to the red line at least once each day, simply referred to as
an “Italian tune-up.” The other advice is to “drive it like you stole it!” This puts a lot of
hot exhaust gas through the chamber area and will burn out the carbon. I started doing
this after my 3rd turbo removal, and when I inspected the vane assembly and machined
backing plate on the 4th turbo removal, both were bright and clean. From new until the
car had 78,000 miles on it when the turbo failed, I never revved the engine over 3200
rpm. I was treating it like a Detroit product. That kind of driving is an invitation to
carbon fouling. Rev the motor up daily! It is German made, and not only can take it, but
needs it!