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Originally Posted by gmboxster
My RPM gauge redlines at 6200 (roughly). I do NOT do the following but would like your opinions. Is it harmful to the engine to routinuely rev up to 5000 RPM's before shifting up to the next gear. A salesman told me during a test drive to only shift up after passing the 4000 RPM mark. That was with a 2005 Boxster, I have a 1998, if that makes any difference. I look forward to your opinions. Thanks..
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As long as the vehicle is within the correct operating temperature ranges (typically between 160 and 240 degrees) feel free to use all parts of the tachometer range, up to redline. On my 2000, it had a 7200rpm redline and pulled great from about 4K rpm till redline. I could shift at 3k rpm or 7k rpm.
I would like to see quantified just how much you would "wear out the engine" by using the designed for operating range. Seems a bit hogwash. Like when the first V-8s were invented, folks wondered how you wouldn't "wear out" the bottom side of the pistons. It just doesn't happen.