New C63
As soon as I break her in I am going to chip her for an extra 45hp. My break in have been up to 6KRPM....better seal to the rings, yes. Mercedes says only to go to 4.5K Rpm, but I have heard that that is more to protect the drivetrain than the engine.
Not planning on headers.
Not planning on headers.
Yes they were! The best car buying experience I have ever had.
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