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  1. #26
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    1 out of 1 members liked this post. Reputation: Yes | No
    Did some searching and found the torsional rigidity data on the E9X. 24,000Nm are the numbers for E90 sans fold down seats, ~19,500Nm is the E92.

    I have not been able to find any solid torsional rigidity data on the E92, but some info suggest that it's 50% stiffer than the E46 chassis, which would leave it square in the 18,000Nm-20,000Nm range.

    All info above supplied via Google Searches.

    Also: (numbers from 2007)

    Rolls Royce Phantom : 40,500 nm/deg
    Koenigsseg CC : 28,100 nm/deg
    Lamborghini Gallardo: 23,000 Nm/deg
    Lamborghini Murcielago : 20,000 nm/deg
    McLaren F1 : 13,500 Nm/deg
    Pagani Zonda S : 26,300 nm/deg
    Ferrari 360 Modena : 23,000 nm/deg
    Ferrari 360 Spider : 8,500 Nm/deg
    Ferrari 430 : 27600 nm/deg (supposedly 20% higher than 360)
    Ferrari F50 : 34,600 Nm/deg
    Aston Martin DB9 Coupe : 27,000 Nm/deg
    Aston Martin DB9 Convertible : 15,500 Nm/deg
    Lotus SID : 16,000 nm/deg
    Lotus Elise 111S : 11,000 nm/deg
    Lotus Elise S2 Exige (2004): 10,500 Nm/deg
    Porsche 959 : 16,000 nm/deg
    Porsche 911 Turbo(2000) : 13,500 Nm/deg
    Porsche 911 Turbo 996 : 27,000 Nm/deg
    Porsche 911 Turbo 996 Convertible: 11,600 Nm/deg
    Jaguar XJ : 21,700 nm/deg
    Jaguar X-type : 16,319 nm/deg
    Chrysler Crossfire : 20,140 nm/deg
    Dodge Viper Coupe : 7,600 Nm/deg
    Volvo S60 : 20,000 nm/deg
    Volvo S80 : 18,600 Nm/deg
    Audi A2 : 11900 Nm/deg
    Audi A8 : 25,000 Nm/deg
    Audi A8 (2004) : 36,000 Nm/deg
    Audi TT : 10,000 Nm/deg (22Hz)
    Audi TT Coupe : 19,000 nm/deg
    BMW Mini : 24,500 nm/deg
    BMW E36 Z3 : 5,600 Nm/deg
    BMW E46 : 18,000 nm/deg
    BMW E90 : 22,500 nm/deg
    BMW Z4: 16,500 Nm/deg
    BMW Z4 M Coupe : 32,000 Nm/deg (BMW AG's press)
    Volkswagen Fox: 17,941 Nm/deg
    Volkswagen Golf V GTI : 25,000 Nm/deg
    Volkswagen Phaeton : 37,000 Nm/deg
    Ford GT40 MK1 : 29,000 nm/deg
    Ford GT: 27,100 Nm/deg
    Ford Mustang 2003 : 16,000 Nm/deg
    Ford Mustang 2005 : 21,000 Nm/deg
    Ford Mustang Convertible (2003) : 4,800 Nm/deg
    Ford Mustang Convertible (2005) : 9,500 Nm/deg
    Mazda Rx-8: 30,000 Nm/deg
    Mazda Rx-7: ~15,000 Nm/deg
    Alfa Romeo 159 : 31,400 nm/deg
    Renault Sport Spider: 10,000 Nm/degree
    Click here to enlarge

  2. #27
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    1. The V10 isn't easy to tune
    We did the Engine Management on Michael's new drift car, as well at the V10. The V10 wasn't hard to tune but I think the main impetus is that a turbocharged E46 was better suited to drifting (and getting 600+hp is a lot more straightforward) than the V10. There are plenty of developed E46 turbos out there, its just one less thing to try and do from the ground-up.
    Neel Vasavada
    Apex Speed Technology
    2947 S Sepulveda Blvd
    Los Angeles, CA 90064
    310.314.2005 (p)
    310.496.0951 (f)
    www.apexspeedtech.com
    info@apexspeedtech.com

  3. #28
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    Click here to enlarge Originally Posted by Shipkiller Click here to enlarge
    Did some searching and found the torsional rigidity data on the E9X. 24,000Nm are the numbers for E90 sans fold down seats, ~19,500Nm is the E92.

    I have not been able to find any solid torsional rigidity data on the E92, but some info suggest that it's 50% stiffer than the E46 chassis, which would leave it square in the 18,000Nm-20,000Nm range.

    All info above supplied via Google Searches.

    Also: (numbers from 2007)

    Rolls Royce Phantom : 40,500 nm/deg
    Koenigsseg CC : 28,100 nm/deg
    Lamborghini Gallardo: 23,000 Nm/deg
    Lamborghini Murcielago : 20,000 nm/deg
    McLaren F1 : 13,500 Nm/deg
    Pagani Zonda S : 26,300 nm/deg
    Ferrari 360 Modena : 23,000 nm/deg
    Ferrari 360 Spider : 8,500 Nm/deg
    Ferrari 430 : 27600 nm/deg (supposedly 20% higher than 360)
    Ferrari F50 : 34,600 Nm/deg
    Aston Martin DB9 Coupe : 27,000 Nm/deg
    Aston Martin DB9 Convertible : 15,500 Nm/deg
    Lotus SID : 16,000 nm/deg
    Lotus Elise 111S : 11,000 nm/deg
    Lotus Elise S2 Exige (2004): 10,500 Nm/deg
    Porsche 959 : 16,000 nm/deg
    Porsche 911 Turbo(2000) : 13,500 Nm/deg
    Porsche 911 Turbo 996 : 27,000 Nm/deg
    Porsche 911 Turbo 996 Convertible: 11,600 Nm/deg
    Jaguar XJ : 21,700 nm/deg
    Jaguar X-type : 16,319 nm/deg
    Chrysler Crossfire : 20,140 nm/deg
    Dodge Viper Coupe : 7,600 Nm/deg
    Volvo S60 : 20,000 nm/deg
    Volvo S80 : 18,600 Nm/deg
    Audi A2 : 11900 Nm/deg
    Audi A8 : 25,000 Nm/deg
    Audi A8 (2004) : 36,000 Nm/deg
    Audi TT : 10,000 Nm/deg (22Hz)
    Audi TT Coupe : 19,000 nm/deg
    BMW Mini : 24,500 nm/deg
    BMW E36 Z3 : 5,600 Nm/deg
    BMW E46 : 18,000 nm/deg
    BMW E90 : 22,500 nm/deg
    BMW Z4: 16,500 Nm/deg
    BMW Z4 M Coupe : 32,000 Nm/deg (BMW AG's press)
    Volkswagen Fox: 17,941 Nm/deg
    Volkswagen Golf V GTI : 25,000 Nm/deg
    Volkswagen Phaeton : 37,000 Nm/deg
    Ford GT40 MK1 : 29,000 nm/deg
    Ford GT: 27,100 Nm/deg
    Ford Mustang 2003 : 16,000 Nm/deg
    Ford Mustang 2005 : 21,000 Nm/deg
    Ford Mustang Convertible (2003) : 4,800 Nm/deg
    Ford Mustang Convertible (2005) : 9,500 Nm/deg
    Mazda Rx-8: 30,000 Nm/deg
    Mazda Rx-7: ~15,000 Nm/deg
    Alfa Romeo 159 : 31,400 nm/deg
    Renault Sport Spider: 10,000 Nm/degree
    This is an awesome post, thanks.

  4. #29
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    is there any updates ? i couldnt find any.

    Thanks
    Click here to enlarge


    Time Attack ///MZ4

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