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Engine Components

Fluidampr 870201 – 2003-2007 Ford Performance Diesel Series Damper

Prod. Code: Fluidampr 870201

Price:  $699.99

Product Description

Fluidampr Performance Diesel Series Damper

Application: 2003-2007 Ford 6.0L Powerstroke

Fluidampr invented the viscous performance diesel damper. 

No other damper tames torsional vibrations like the original Fluidampr that’s made in the U.S.A.

The buzz among performance truck owners is how well Fluidampr quiets and smooths out chatter in diesel engines. These smooth running engines gain HP and Torque.

870201 Specifications:

  • Material = Steel
  • Black Zinc Finish
  • O.D = 8-7/8″
  • WT. lbs. = 20
  • Balance = External

It’s important for the damper on your diesel engine to function properly. Stock elastomeric dampers have a short life span and do not control torsional vibrations at all RPM’s. The rubber rings in stock dampers deteriorate. Fluidampr offers a superior performance that lasts.

Stock Damper                Fluidampr
HP 366.3                         HP 380.8
Torque 569.50                Torque 609.0 

A new Fluidampr on your diesel truck will not only protect your engine from destructive but will also increase TORQUE & HORSEPOWER. High performance diesel engines running chips and programmers are exceptionally vulnerable to torsional vibrations. Save your crank & more by installing a new Fluidampr today. 


What Is A Harmonic Balancer, aka Crankshaft Damper?



A harmonic balancer reduces destructive crankshaft torsional vibration, which is the end-to-end twisting/rebound motion, that is naturally generated during each power stroke.  A harmonic balancer contributes to greater valve train and timing efficiency, plus reduces wear of critical engine components such as main bearings, oil pump and the crankshaft itself.
A harmonic balancer often incorporates the main drive pulley and by appearance is often overlooked as having no essential function to the life of the engine. If the drive pulley is incorporated with the harmonic balancer, removing or changing it to a lightweight design, or using a low quality product MAY BE THE SINGLE BIGGEST COSTLY MISTAKE YOU CAN DO TO YOUR ENGINE.


 How Does A Fluidampr Damper Work?

damper diagram

Unlike a stock elastomer harmonic balancer, Fluidampr performance dampers protect across a broad frequency range and can become more effective as magnitude increases throughout your RPM range.  Each Fluidampr performance damper is designed for the engine application it is intended for.
Fluidampr performance dampers consist of a free rotating inertia ring inside a laser sealed outer housing within tight tolerance of each other.  Both the inertia ring and the outer housing are computer balanced to exceed OEM specifications during manufacturing.  Between the two, an area referred to as the shear gap is pressure injected with viscous silicone.  This specialized silicone maintains stability across an extreme temperature range and provides superior heat dissipation. 
As soon as your engine fires torsional vibration is present.  To damp its destructive effects, the outer housing turns at engine RPM, while the inner inertia ring immediately self-centers and is free to be ‘shocked’ by each torsional vibration event.  As the inner inertia ring moves in-and-out of RPM with the outer housing, the shearing force through the silicone transforms the vibration to heat, which rapidly dissipates through the housing.  Since the mass of the inertia ring is engulfed in a thin film of silicone and not directly connected to the crank, it can be calculated that only 2/3 of the total Fluidampr weight is rotating at RPM.  For example, a 7.9lb Fluidampr for a Chevy LS1 only feels 5.3lbs at rpm.


The Fluidampr design originated from top race engine builders requesting Vibratech TVD (formally Houdialle and parent company to Fluidampr) to bring its viscous damper technology engineered for long-life, high power diesel applications to professional motorsports in the early-1980s to replace failing elastomer designs.  Viscous torsional dampers are used today as original equipment on select luxury sports cars, light-duty diesel trucks and even military spec engines.  Meanwhile, nearly all high power engines that move our economy depend on a viscous damper for superior protection, performance and durability.


Additional Information

Weight 60 lbs
Dimensions 35 x 25 x 15 in


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