Quote:
Originally Posted by glamcem
That doesn't look like the stock pulley since it looks like there are more than 4 holes on it.. I also think they either trimmed it or fabricated somehow ..I wonder how it would affect the rigidity..
Do you know any lighter aftermarket crank pulley that keeps the OEM design and compatible with your adapter hub?
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Why fixate on pulley weight? Lighter isn't necessarily better. You have a stock engine damper that was designed to help dampen to harmonics of the boxer-4 engine layout why would you remove it?
In race engines we build we usually see horsepower gains and smooth engine performance when we use heavy harmonic dampers such as the ATI super dampers
the ultra lightweight aluminum crank pulleys compromise the reliability of the engine....they are widely made and sold because they take no engineering or tooling to make, can be made cheap, and people buy them...unfortunately
The larger accessory pulleys are fine , just not the crank pulley