Fluidampr Fluidampr Harmonic Balancer CHEVROLET SILVERADO 2500 HD


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Part #: 890101
Notes: Fluidampr Harmonic Balancer
MSRP: $544.62
Your Price: $414.54
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Specs

Bore Dia. Min/Max 1.930 / 1.931
Degree Marking Range 1 timing mark
Degree Markings Yes
Engine Balance External
Finish Black Zinc
Keyway Single
Length 2.585
Material Steel
Mounting Hardware Incl. No
O.D. 8-3/8" (8.375)
Safety Rating SFI 18.1
WT. in lbs.()=Rotating weight 24.1 (16.1 Rwt)

All Fitments

CHEVROLET
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2001 - 2004 SILVERADO 2500 HD ALL V8 6.6 T ALL DIESEL
2004 - 2005 SILVERADO 2500 HD ALL V8 6.6 T ALL DIESEL
2001 - 2004 SILVERADO 3500 ALL V8 6.6 T ALL DIESEL
2004 - 2005 SILVERADO 3500 ALL V8 6.6 T ALL DIESEL
GMC
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2001 - 2004 SIERRA 2500 HD ALL V8 6.6 T ALL DIESEL
2004 - 2005 SIERRA 2500 HD ALL V8 6.6 T ALL DIESEL
2001 - 2004 SIERRA 3500 ALL V8 6.6 T ALL DIESEL
2004 - 2005 SIERRA 3500 ALL V8 6.6 T ALL DIESEL
HUMMER
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2006 - 2006 H1 ALL V8 6.6 T ALL DIESEL

Product Description

Fluidampr Engine Dampers are designed to control destructive vibrations which are transfered thru the crankshaft.

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.

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 dissipator 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.

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