Fluidampr Fluidampr Harmonic Balancer PLYMOUTH FURY


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Part #: 720301
Notes: Fluidampr Harmonic Balancer
MSRP: $529.02
Your Price: $388.45
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Specs

Bore Dia. Min/Max 1.5295 / 1.5305
Degree Marking Range 50 degree BTDC to 10 degree ATDC, Additional marks at 90, 180 & 2
Degree Markings Yes
Engine Balance Internal
Finish Black Zinc
Keyway Single (3/16")
Length 2.377
Material Steel
Mounting Hardware Incl. No
OD 7-1/4" (7.250)
Pulley Bolt Pattern 6 hole evenly spaced.
Rotating Weight 12.3 (8.3 Rwt)
Safety Rating SFI 18.1

All Fitments

DODGE
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1970 - 1973 CHALLENGER ALL V8 5.6 ALL ALL ALL
1970 - 1974 CHALLENGER ALL V8 5.2 ALL ALL ALL
1971 - 1974 CHALLENGER ALL V8 5.9 ALL ALL ALL
1966 - 1978 CHARGER ALL V8 5.2 ALL ALL ALL
1966 - 1978 CHARGER ALL V8 5.9 ALL ALL ALL
1970 - 1973 CHARGER ALL V8 5.6 ALL ALL ALL
1958 - 1976 CORONET ALL V8 5.9 ALL ALL ALL
1965 - 1976 CORONET ALL V8 5.2 ALL ALL ALL
1970 - 1973 CORONET ALL V8 5.6 ALL ALL ALL
1960 - 1976 DART ALL V8 5.2 ALL ALL ALL
1960 - 1976 DART ALL V8 5.9 ALL ALL ALL
1968 - 1973 DART ALL V8 5.6 ALL ALL ALL
PLYMOUTH
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1964 - 1974 BARRACUDA ALL V8 5.9 ALL ALL ALL
1966 - 1974 BARRACUDA ALL V8 5.2 ALL ALL ALL
1968 - 1973 BARRACUDA ALL V8 5.6 ALL ALL ALL
1958 - 1958 BELVEDERE ALL V8 5.7 ALL ALL ALL
1958 - 1970 BELVEDERE ALL V8 5.2 ALL ALL ALL
1959 - 1966 BELVEDERE ALL V8 5.9 ALL ALL ALL
1971 - 1971 BELVEDERE ALL V8 5.6 ALL ALL ALL
1965 - 1967 BELVEDERE II ALL V8 5.2 ALL ALL ALL
1966 - 1966 BELVEDERE II ALL V8 5.9 ALL ALL ALL
1970 - 1974 CUDA ALL V8 5.2 ALL ALL ALL
1970 - 1973 CUDA ALL V8 5.6 ALL ALL ALL
1971 - 1974 CUDA ALL V8 5.9 ALL ALL ALL
1957 - 1978 FURY ALL V8 5.2 ALL ALL ALL
1958 - 1958 FURY ALL V8 5.7 ALL ALL ALL
1959 - 1978 FURY ALL V8 5.9 ALL ALL ALL
1968 - 1974 FURY I ALL V8 5.2 ALL ALL ALL
1971 - 1974 FURY I ALL V8 5.9 ALL ALL ALL
1965 - 1974 FURY II ALL V8 5.2 ALL ALL ALL
1971 - 1974 FURY II ALL V8 5.9 ALL ALL ALL
1965 - 1974 FURY III ALL V8 5.2 ALL ALL ALL
1971 - 1974 FURY III ALL V8 5.9 ALL ALL ALL
1972 - 1980 GRAN FURY ALL V8 5.9 ALL ALL ALL
1972 - 1989 GRAN FURY ALL V8 5.2 ALL ALL ALL
1967 - 1970 GTX ALL V8 5.2 ALL ALL ALL
1968 - 1975 ROADRUNNER ALL V8 5.2 ALL ALL ALL
1968 - 1973 ROADRUNNER ALL V8 5.6 ALL ALL ALL
1974 - 1975 ROADRUNNER ALL V8 5.9 ALL ALL ALL
1965 - 1974 SATELLITE ALL V8 5.2 ALL ALL ALL
1965 - 1974 SATELLITE ALL V8 5.9 ALL ALL ALL
1968 - 1973 SATELLITE ALL V8 5.6 ALL ALL ALL
1968 - 1973 VALIANT ALL V8 5.6 ALL ALL ALL
1968 - 1976 VALIANT ALL V8 5.2 ALL ALL ALL
1971 - 1976 VALIANT ALL V8 5.9 ALL ALL ALL

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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