You stock oil cooler is meant to cool a stock motor during heavy load, not a 1200F turbo.. imagine how hot that oil gets and how that effect the thermo efficiency of your motor.
And where do you get this MTBF on wastegate for the vehicles?
Let's say due to high heat your turbine oil seal is leaking, your losing oil and you are 10000 ft above ground... Are you going to keep flying that aircraft until you feel like landing it?
Question: And a turbine shaft oil seal does consider to be a turbo failure right?
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