The Mazzucchelli Super Competizione crankshaft has a very long intake timing angle.
This means that it generates a very large timing cross-section even on an unmachined engine case intake. By reworking the intake window in the engine housing, an intake angle of over 200° can easily be achieved. The shaft has the standard stroke and the standard connecting rod length.
It is therefore very suitable for building a powerful, rotary valve-controlled engine with little effort. The Super Competizione has also been successfully used by us several times in racing.
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