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Crank Pulley Dampener

SKU: BOOSTLOGICR357R
Boost Logic
GT-R R35 DBA NISMO
Crank Pully Dampener for the Nissan GTR prevent destructive vibrations.
$995.00

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Crank Pulley Dampener

Crank Pulley Dampener

$995.00

Each time the air/fuel mixture inside a cylinder is ignited, the combustion that occurs creates a torque spike that is applied to the crankshaft through the piston and rod. This torque spike is so severe that it not only turns the crankshaft, it actually twists the crankshaft ahead of its normal rotation and then the crankshaft rebounds. This twisting action is known as torsional vibration. When these torque spikes and forces get into phase with the natural frequency, critical torsional harmonic vibrations occur and can be seriously destructive to the bearings and the crankshaft. Dampers are designed to control those destructive vibrations.

The first problem with resonance in the crankshaft will be erratic main bearing wear which we believe is the case in the VR38, stronger resonance can also lead to crankshaft failure in the long term (which Boost Logic don’t expect to see in the VR38). The issue is caused by factory engine dampeners tuned for the stock power level and in the VR38s case, likely the same part seen on the VQ35 to begin with. The Boost Logic dampener is designed to work across a broader range of engine power levels and modifications. It utilizes a larger higher quality dampener ring than factory so it is better suited to balance out the stronger resonance created by engines that produce higher torque levels than factory.

Features:
- Reduces Torsional Vibration
- SFI 18.1 Approved
- 360 Degree Laser Engraved Timing Marks
- OEM Crank Pulley Diameter

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Crank Pulley Dampener


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