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    What rpm is the 996tt motor designed to take?

    RC, I received some information yesterday from a reliable source but would like to hear your opinion/information if you have any. My question was, the 996tt has a red line of 6750, but what was it really designed to take? His immediate answer was the 6750 is 70% of the maximium design. He added that if you raise the red line you will affect longevity. That would mean the motor is designed to "gernade" after 9642.86 rpm's. Or another way of looking at it is a missed downshift, for a very short duration to 9500 rpm's the motor would probably survive. Do you have any information?

    Re: What rpm is the 996tt motor designed to take?

    Well, as you can imagine, I don't have access to top secret technical specs from the factory.
    From what I heard from several german Tuners, a redline up to around 7000 rpm shouldn't create any problem. Over 7200 rpm, the problems start but I don't have details on that. As far as I heard, it is possible to take the 996 TT engine to "safe" 7800 rpm with some interior mods to the engine but I don't have details on that but it somehow has to do with the hydraulic valve system.
    I can ask around and see what I find out if you want me to.
    Interesting question, seriously. I also wonder how much power the 996 TT engine delivers over 7000 rpm, pretty interesting stuff.

     
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