Fluidampr Fluidampr Harmonic Balancer FORD EXCURSION


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Part #: 870211
Notes: Fluidampr Harmonic Balancer
MSRP: $765.16
Your Price: $559.53
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Specs

Bore Dia. Min/Max NA
Degree Markings No
Engine Balance External
Finish Black Zinc
Keyway Not Applicable
Length 4.199
Material Steel
Mounting Hardware Incl. No
O.D. 8-7/8" (8.875)
Pulley Finish Black Zinc
Pulley Size for use with dual alternators
Safety Rating SFI 18.1
WT. in lbs.()=Rotating weight 29 (19.4 Rwt)

All Fitments

FORD
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2004 - 2005 E-350 SUPER DUTY ALL ALL ALL ALL ALL DIESEL
2006 - 2009 E-350 SUPER DUTY BASE V8 6.0 T ALL DIESEL
2006 - 2009 E-350 SUPER DUTY XL V8 6.0 T ALL DIESEL
2006 - 2009 E-350 SUPER DUTY XLT V8 6.0 T ALL DIESEL
2003 - 2003 EXCURSION ALL V8 6.0 ALL ALL DIESEL
2003 - 2007 F-250 SUPER DUTY LARIAT V8 6.0 T ALL DIESEL
2003 - 2007 F-250 SUPER DUTY XL V8 6.0 T ALL DIESEL
2003 - 2007 F-250 SUPER DUTY XLT V8 6.0 T ALL DIESEL
2004 - 2007 F-250 SUPER DUTY HARLEY-DAVIDSON EDITION V8 6.0 T ALL DIESEL
2004 - 2007 F-250 SUPER DUTY KING RANCH V8 6.0 T ALL DIESEL
2003 - 2007 F-350 SUPER DUTY LARIAT V8 6.0 T ALL DIESEL
2003 - 2007 F-350 SUPER DUTY XL V8 6.0 T ALL DIESEL
2003 - 2007 F-350 SUPER DUTY XLT V8 6.0 T ALL DIESEL
2004 - 2007 F-350 SUPER DUTY HARLEY-DAVIDSON EDITION V8 6.0 T ALL DIESEL
2004 - 2007 F-350 SUPER DUTY KING RANCH V8 6.0 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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