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    NEW 3.99 l flat-6

    Seems that Porsche has steped up to the plate with a new engine for the Brumos team competing in the Rolex DP series with a 3.99 L flat-6

    In what Brumos Racing's Bob Snodgrass would later describe as 'an unprecedented level of support', Porsche started developing a new GT3R 3.99 litre flat-six and took a look at fine-tuning the Fabcar's suspension. Since then, Brumos' two cars are just shy of being fully updated to the factory's suggested tweaks.

    Re: NEW 3.99 l flat-6

    This is great news! I've been waiting to see what Porsche would do to help Brumos racing. We'll see at Daytona what this engine can do with those V8s.

    Re: NEW 3.99 l flat-6

    I heard there was a limit to how much the F6 could be bored out... 3.99 is HUGE for that little thing.

    Re: NEW 3.99 l flat-6

    I heard this same thing at the 997 unveiling. There was a rep from one of the Porsche racing teams who said they had been expermenting with a 4L motor. He commented that much of the tail-happy driving characteristics of the older 911's were back again with the 4L engine.

    Re: NEW 3.99 l flat-6

    the limit is allegedly 4.2 L.

    Re: NEW 3.99 l flat-6

    Quote:
    Ryan in SD said:
    I heard there was a limit to how much the F6 could be bored out... 3.99 is HUGE for that little thing.



    Re: NEW 3.99 l flat-6

    Thanks, good info

    Re: NEW 3.99 l flat-6

    I believe Koro makes a 4.6 liter.

    Greg A

    Re: NEW 3.99 l flat-6

    Quote:
    teflon said:
    I believe Koro makes a 4.6 liter.
    Greg A



    You are right, they have been increasing displacement in subsequent versions of the 996GT3 and now they are with a 4.6l N/A version with something like 435HP. I don't know how they do it

    Re: NEW 3.99 l flat-6

    i believe i read in excellence that the flat 6's maximum efficient displacement was 4.0 liters ... hmmph

     
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