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    Stuttgart Visit Notes

    I visited Zuffenhausen earlier this month, and learned a few things. In particular, when touring the engine assembly area (flat-6 for Boxster/Cayman, flat-6 for 911, V-8 for Cayenne, and V-10 for CGT all produced here), I was told that each engine is tested before they leave the factory. The test includes 10 minutes cold running and 36 minutes hot running. They measure the power output to ensure that each engine produces the minimum advertised, but also detune any engine that produces more than advertised! This contrasts with the standard industry practice of approving engines that fall within a 5% plus/minus variation band, and only test sample a fraction of all engines produced.

    Porsche also realizes that the flat-6 is nearing its physical limits at 3.8-liters displacement and around 500hp. The advantage of the horizontal cylinder placement is, of course, a lower the center of gravity vs either an in-line or V cylinder layout. However, Porsche has found a way to lower the center of gravity with a V-cylinder engine and proven it with the CGT's V-10, and this technology will likely be incorporated in future engine choices.

    You all can interpret and assume whatever you want about what this means for the various Porsche models and what may or may not be held sacred: (1) 911's used to mean air-cooled, but are still rear-engined, flat-6 configuration, 2+2 seating; (2) Porsche used to mean sports cars only, but now its best seller is an SUV and will soon be offering a 4-seater coupe/sedan with the Panamera that could be an even bigger volume seller; (3) Porsche's used to be all produced in Stuttgart, but the Cayenne and CGT are/was assembled in Leipzig, and the vast majority of Boxsters and Cayman's are assembled in Finland.

    Porsche has a rich tradition, but changes have been taking place and will continue. Cheers.

    Re: Stuttgart Visit Notes

    schao said:
    They measure the power output to ensure that each engine produces the minimum advertised, but also detune any engine that produces more than advertised!

    Hmmmm...are you sure When I was there 2 years ago, I was told the opposite. No change if more power...fix to correct specs if less power. This would explain why when Porsches go on the dyno, they typically produce more power than advertised.

    Re: Stuttgart Visit Notes

    Thanks! I hope my baby gets more hp and no change.

    Re: Stuttgart Visit Notes

    i guess that that would make sense related to the recommended oil change interval of 18k miles, assuming as was previously posted that the first oil change is after the engine has been dyno'd

    Re: Stuttgart Visit Notes

    Anyway for the 911 I wouldn't like to see a change from the boxer engine. So what I will really like is to see a new 8 cylinder boxer engine. and that it will produce more power and better torque from smaller engine capacity. But I think quite a lot it will be lost with a V8 or another configuration that it is not a boxer.



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