Just wondering what the best option would be when it come time to overhaul the engine? I do appreciate the benefits of having turbos. However living in the Midwest I don't know if the benefits out way the extra costs of the turbos. Here are my options:
1) Install a remanufactured TSIO-520 TBO: 1400 hours. The turbos were rebuilt 100 hours ago. They get rebuilt
every 1000 hours.
2) Install a remanufactured IO-520 TBO 1700 hours. Remove the turbos and make required modifications for the
3) Upgrade the engine to a STC'd IO-550 TBO 1700-2000 hours. Remove the turbos and make required
modifications for the IO-550.