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Fluidampr Harmonic
Dampers for Dodge Cummins |
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Why your engine needs a damper
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.
Rubber VS Silicone Fluid
Critical harmonic vibrations occur numerous times in a engine’s
operating range. Stock rubber and elastomer-type dampers are
frequency sensitive "tuned absorbers", and work at only one
critical frequency. In the case of a stock rubber damper, it is
tuned for a factory engine’s critical harmonic vibrations. If
you change the mass of pistons, rods, or the crankshaft, you
change the natural frequency of the crankshaft assembly;
therefore, the stock damper is no longer tuned to the new
frequency of vibration, and you may be headed for early failure
of expensive engine components. Dampers also create heat while
they work, and rubber is a poor dissipater of heat. This heat
and the exposure to the elements deteriorates rubber, causing it
to crack and change durometer, which then leads to inertia ring
slippage, damper failure, uncontrolled torsional vibration, and
costly engine parts breakage.
All Fluidampr Dampers are finished in black zinc chromate.
Fluidampr Harmonic Damper for 2003-2006 Dodge 5.9L
Cummins 24 Valve
Part #: FLD-920301
Price $414.95 |
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Fluidampr Harmonic Damper for 1998.5-2002 Dodge 5.9L
Cummins 24 Valve
Part #: FLD-960301
Price $414.95 |
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Fluidampr Harmonic Damper for 1992-1998 Dodge 5.9L
Cummins 12 Valve
Part #: FLD-960311
Price $464.95 |
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Fluidampr Harmonic Damper for Dodge 5.9L
Cummins "Comp Series"
Part #: FLD-960341
Price $414.95 |
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Fluidampr Dodge Cummins Drill Pin Kit. Comes
with drill fixture, drill bit and roll pins. For use on
high HP and High RPM engines to prevent fretting. New
torque yield bolts are recommended.
Part #: FLD-300002
Price $48.95 |
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Fluidampr Dodge Cummins Sensor Relocation Kit.
Used to relocate sensor on 1992-1998 12 Valve trucks
using tach / alternator pick-up.
Part #: FLD-300003
Price $57.95 |
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