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Update on 740 Turbo engine longevity post 700 1989

posted by  Steve on  Sun Feb 29 02:02 CST 2004
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last visit: Fri Oct 24 07:16 CST 2014
[RELATED]

You are correct that turbos experience higher failure rates. This situation is largely due to:

-cooling system failures and poor preventive maintenance on cooling systems
-head gasket failure due to high boost pressures
-lubricant problems due to failure to properly change oil or use the correct oil

IF you maintain your cooling system per the FAQ instruction, use synthetic oil, and don't drive it in high boost all the time, then your turbo should last over 200k miles with no troubles.






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