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Magnum

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Magnum last won the day on April 1 2022

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    Nissan/Toyota
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    Bluebird SU13/Hiace KDH206
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    CD20/1KD-FTV
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  1. Assume there's two imaginary engines.

    One is a 2.0L engine producing 150bhp at 5500rpm and 200nm of torque at 4500rpm.

    The other engine is a 2.5L producing 150bhp at 3500rpm and 200nm of torque at 2500rpm

    Given the fact everything else is identical which engine would perform better in a race track scenario?

    I understand the 2.0L would perform better in day to day driving on normal roads.

    1. Show previous comments  3 more
    2. MV-5

      MV-5

      if 2.5L engine produce  150 bhp  at 3500 RPM , so the torque at 3500 RPM is 305 Nm , 

      torque at 2500 = 200 Nm

      torque at 3500 = 305 Nm 

      So its max power is still somewhere beyond thew 4500 RPM , so 2.5L engine max power is far better than 2.0 L engine.

       

    3. MrCat

      MrCat

      That`s actually wrong.   200nm of torque at 2500rpm is the Maximum torque produced by the engine.  Torque against engine speed curve is never linear.  

    4. MV-5

      MV-5

      it is nearly impossible to teach "vector space" to a second grade school student.

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