TwinTurbo.NET: Nissan 300ZX forum - Are you referring to the resonant frequency of the flexing >
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Subject Are you referring to the resonant frequency of the flexing >
     
Posted by kZtt on October 03, 2001 at 4:41 PM
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In Reply To Re: Re: OEM is the best...:p posted by timz on October 03, 2001 at 03:14 PM
     
Message or bending of the crankshaft? In which case lowering the mass will increase the resonant frequency, which is good.

However, since the pulley is at the end of the crankshaft, the effect of reducing its mass is somewhat more complicated... I am thinking that it will affect how well fixed the ends of the crankshaft will be... in that case lowering the mass will increase the wavelength of the bending modes, and therefore reduce the frequency, which is bad...

     
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