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    A rare picture of Power

    With all the excitement over the rather sedate 500hp GT3 Smiley I thought I would share this pic of my engine at its peak power during a 1 minute 35 second full power dyno run with 22 seconds from 6000 to 7150rpm, hence this is rare amongst the amateur tuning world of 8 second power runs.

    This engine is basically the same as the Alzen Mission 400 engine (mine runs less boost, about 1.2bar and variocam) so it is special build 3.9 litre with proprietary RS head preparation running latest K24 type turbos and a new factory electronic controlled electronic wastegate system (borrowed from the latest generation BMW system)

    Its return to me has been delayed by the very cold and bad weather southern Germany has been experiencing has made testing impossible however it should be back soon.

    Smiley


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    3.9  GT2 2011 make over


    Re: A rare picture of Power

    wow ! what are the numbers reading on the right ? 679 HP and 852 NM ? - amazing engine ! what's the warranty on it ?


    Re: A rare picture of Power

    indecision that would be 6760rpm and 852PS

    No official warranty at these levels just a lot of trust and reputation of builder/tuner 


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    3.9  GT2 2011 make over


    Re: A rare picture of Power

    wow - guessing you come out of every corner backwards


    Re: A rare picture of Power

    Looks like the torque number is next, but cut off by the photo (I have a German Stahlwille torque wrench, so I've seen the German word for torque before).  Do you know that figure?  Very impressive! Smiley


    --

    73 Carrera RS 2.7 Carbon Fiber replica (1,890 lbs), 06 EVO9 with track mods. Former: 73 911S, Two 951S's, 996 C2, 993 C2, 98 Ferrari 550


    Re: A rare picture of Power

    Grant:

    Looks like the torque number is next, but cut off by the photo (I have a German Stahlwille torque wrench, so I've seen the German word for torque before).  Do you know that figure?  Very impressive! Smiley

     

    662 lb ft or 898 Nm


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    fritz


    Re: A rare picture of Power

    fritz:
     

    662 lb ft or 898 NM

    fritz

     

    I think you are treating PS as SAE units ? its a bit less ~ 889NM

    It makes peak torque at about 4000rpm and the torque is controlled by the electronic wastegate at 900NM +/- 15NM all the way to peak power


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    3.9  GT2 2011 make over


    Re: A rare picture of Power

    TB993tt:
    fritz:
     

    662 lb ft or 898 NM

    fritz

     

    I think you are treating PS as SAE units ? its a bit less ~ 889NM

    That's right. James Watt measured a slightly stronger horse. 


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    fritz


    Re: A rare picture of Power

    That's right. James Watt measured a slightly stronger horse. 

    Or a good old English imperial horse rather than a feebler continental metric one  Smiley


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    Gen II Cayman S


    Re: A rare picture of Power

    Phenomenal! Congrats! blush


    Re: A rare picture of Power

    GR:

    That's right. James Watt measured a slightly stronger horse. 

    Or a good old English imperial horse rather than a feebler continental metric one  Smiley

    Funny you should say that. James Watt increased the "horse power" figures he measured using his imperial nag by 10% to avoid the risk of anyone later accusing him of attributing horse-power equivalence figures to the steam engines he built which were too optimistic.   Smiley


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    fritz


    Re: A rare picture of Power

    Schmirler? Smiley


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    RC (Germany) - Rennteam Editor Porsche Panamera Turbo S, Cayenne GTS (958), BMW X3 35d (2012), Mini Cooper S Countryman All4


     
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