 | | Question: | | Will Mobil 1 Extended Performance Hold Up in a Turbocharged Car? | | I have a 2007 Cobalt SS that is aftermarket turbocharged. Is your extended life synthetic still going to hold up for 15,000 miles in a turbocar used most of the time for regular street driving? | | -- Chase Hess, Salt Lake City, UT |  | | Answer: | Since this is a new vehicle, our recommendation is to follow the vehicle manufacturer’s recommendation for drain interval while the vehicle is still under warranty.
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