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How Performance Parts Increase Engine Vibration

Torque is created by the piston and rod weight, bore diameter, stroke length, valve timing, air flow, fuel ratio, ignition timing, and compression ratio.  Change any of these characteristics from stock for performance and you are applying more force against the crankshaft, therefore generating more severe torsional vibrations.  Apply more torque into top end horsepower and you take those more severe torsional vibrations and amplify the frequency.

If increased engine vibration is not compensated for, through using a performance damper such as a Fluidampr, it can lead to quicker destruction of main bearings, timing components, valve train components, belts and accessory pulleys, even catastrophic crankshaft failure.