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    Re: 3.8 Liter GT3 RS?

    Quote:
    Grant said:
    997GT3RS said: Thanks for the info...

    The 3.8 is M97 engine?
    YES, the one in the 997S is an M97. The 3.8L used in the 964 and 993 were based on the same block as the GT3.

    How old is the current GT3/TT engine?
    It is based on the 964 dry-sump block that started in 1989.

    I just notice the Ferrari F430CS is much lighter and have 80+hp over the RS. I am wondering how's the RS keep up with that?
    Well, Ferrari tends to overstate power and understate weight, but even so, it will be hard to catch (and should be at almost double the price)



    One of the interesting things about the F430 is when tested in BEST MOTORING INTERNATIONAL, a dubbed version of a Japanese TV show, they line up a 996 GT3 vs an F430. The funny thing, the GT3 beats it off the line and stays ahead until about 150 MPH (it's a long oval test track). The pilot in the F430 is amazed, thinking that traction control and all the other gizmos will outperform the GT3. Not really, and for half the price. I think I saw it at Coocha's videos. That was the 996 GT3, not 997, too.

    Jim

    Re: 3.8 Liter GT3 RS?

    Quote:
    Trundle997S said:
    The 3.8 seems to be a capable "Race Engine"

    Used to power the Daytona Prototypes in the Rolex GrandAm series.

    ENGINE:
    Six-Cylinder Boxer Porsche 3795 cc -
    76.4mm stroke, 102.7mm bore
    Horsepower: 510 @ 8500 rpm
    Torque: 435 N/meters @ 7500 rpm
    Max RPM: 9000
    Cooling: Water Cooled
    Intake System: Six Individual Throttle Valves
    Fuel Injection: Sequential multi-point Bosch MS 4.0 system with ignition control
    Lubrication: Dry Sump with Heat Exchanger and Mobil 1 oil

    500hp is not too bad


    Yeah, I'm sure that's a fantastic motor, but most race motors like that need to be torn down every couple weeks. There are 3.6L Porsche race motors (RSR) that make 455hp with air restrictor plate.

    Anyways, looks to be a killer motor...

    Re: 3.8 Liter GT3 RS?

    Quote:
    997GT3RS said:
    Quote:
    AS said:
    on the matter of 'HP wars' - keep in mind it's not just how much HP or torque the engine produces, but how much of it is put down onto the road (a rear-engine layout does this much more efficiently). weight, grip & stopping ability are just as important as power.



    Stopping ability: Do you think the GT3 should upgrade with the PCCB?



    personal choice - some feel it's a must hv, others feel running costs is too high w/PCCBs (i.e. for reg. track use).

     
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