Fluidampr Fluidampr Harmonic Balancer FORD 300


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Part #: 650231
Notes: Fluidampr Harmonic Balancer
MSRP: $476.67
Your Price: $369.99
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Specs

Bore Dia. Min/Max 1.374 / 1.375
Degree Marking Range 2 degree increments, 50 BTDC to 10 ATDC
Degree Markings Yes
Engine Balance Internal
Finish Black Zinc
Keyway Single
Length 3.34
Material Steel
Mounting Hardware Incl. No
O.D. 6-5/8" (6.625)
Pulley Bolt Pattern Pulley spacers may be required on some 1975-later engines. Custom pulleys may be
Safety Rating SFI 18.1
WT. in lbs.()=Rotating weight 11.1 (7.4 Rwt)

This Item Also Available In

Part Number Price Notes & Specs
650211 $373.10 Notes Fluidampr Harmonic Balancer
Bore Dia. Min/Max 1.374 / 1.375
Degree Marking Range 2 degree increments, 50 BTDC to 10 ATDC
Degree Markings Yes
Engine Balance External (28 oz)
Finish Black Zinc
Keyway Single
Length 3.34
Material Steel
Mounting Hardware Incl. No
O.D. 6-5/8" (6.625)
Safety Rating SFI 18.1
WT. in lbs.()=Rotating weight 12.5 (8.3 Rwt)

All Fitments

FORD
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1963 - 1963 300 BASE V8 4.7 N ALL GAS
1966 - 1968 BRONCO BASE V8 4.7 N ALL GAS
1978 - 1981 BRONCO ALL V8 5.8 N ALL GAS Modified Engine;
1978 - 1985 BRONCO ALL V8 5.8 N ALL GAS Windsor Engine;
1963 - 1968 COUNTRY SEDAN BASE V8 4.7 N ALL GAS
1969 - 1974 COUNTRY SEDAN ALL V8 5.8 N ALL GAS Cleveland Engine;
1969 - 1974 COUNTRY SEDAN ALL V8 5.8 N ALL GAS Windsor Engine;
1971 - 1974 COUNTRY SEDAN BASE V8 6.6 N ALL GAS
1963 - 1968 COUNTRY SQUIRE BASE V8 4.7 N ALL GAS
1969 - 1974 COUNTRY SQUIRE ALL V8 5.8 N ALL GAS Cleveland Engine;
1969 - 1974 COUNTRY SQUIRE ALL V8 5.8 N ALL GAS Windsor Engine;
1971 - 1974 COUNTRY SQUIRE BASE V8 6.6 N ALL GAS
1964 - 1968 CUSTOM BASE V8 4.7 N ALL GAS
1969 - 1972 CUSTOM ALL V8 5.8 N ALL GAS Cleveland Engine;
1969 - 1972 CUSTOM ALL V8 5.8 N ALL GAS Windsor Engine;
1971 - 1972 CUSTOM BASE V8 6.6 N ALL GAS
1964 - 1968 CUSTOM 500 BASE V8 4.7 N ALL GAS
1969 - 1977 CUSTOM 500 ALL V8 5.8 N ALL GAS Windsor Engine;
1969 - 1974 CUSTOM 500 ALL V8 5.8 N ALL GAS Cleveland Engine;
1971 - 1977 CUSTOM 500 BASE V8 6.6 N ALL GAS
1975 - 1977 CUSTOM 500 ALL V8 5.8 N ALL GAS Modified Engine;
1975 - 1983 E-100 ECONOLINE ALL V8 5.8 N ALL GAS Windsor Engine;
1980 - 1980 E-100 ECONOLINE BASE V8 6.6 N ALL GAS
1975 - 1983 E-100 ECONOLINE CLUB WAGON ALL V8 5.8 N ALL GAS Windsor Engine;
1975 - 1985 E-150 ECONOLINE ALL V8 5.8 N ALL GAS Windsor Engine;
1975 - 1985 E-150 ECONOLINE CLUB WAGON ALL V8 5.8 N ALL GAS Windsor Engine;
1975 - 1985 E-250 ECONOLINE ALL V8 5.8 N ALL GAS Windsor Engine;
1980 - 1980 E-250 ECONOLINE BASE V8 6.6 N ALL GAS
1980 - 1981 E-250 ECONOLINE ALL V8 5.8 N ALL GAS Modified Engine;
1975 - 1985 E-250 ECONOLINE CLUB WAGON ALL V8 5.8 N ALL GAS Windsor Engine;
1980 - 1981 E-250 ECONOLINE CLUB WAGON ALL V8 5.8 N ALL GAS Modified Engine;
1980 - 1982 E-250 ECONOLINE CLUB WAGON BASE V8 6.6 N ALL GAS
1975 - 1985 E-350 ECONOLINE ALL V8 5.8 N ALL GAS Windsor Engine;
1980 - 1982 E-350 ECONOLINE BASE V8 6.6 N ALL GAS
1980 - 1981 E-350 ECONOLINE ALL V8 5.8 N ALL GAS Modified Engine;
1977 - 1985 E-350 ECONOLINE CLUB WAGON ALL V8 5.8 N ALL GAS Windsor Engine;
1980 - 1982 E-350 ECONOLINE CLUB WAGON BASE V8 6.6 N ALL GAS
1980 - 1981 E-350 ECONOLINE CLUB WAGON ALL V8 5.8 N ALL GAS Modified Engine;
1975 - 1976 ELITE ALL V8 5.8 N ALL GAS Modified Engine;
1975 - 1976 ELITE ALL V8 5.8 N ALL GAS Windsor Engine;
1975 - 1976 ELITE BASE V8 6.6 N ALL GAS
1977 - 1981 F-100 ALL V8 5.8 N ALL GAS Modified Engine;
1977 - 1981 F-100 ALL V8 5.8 N ALL GAS Windsor Engine;
1977 - 1978 F-100 BASE V8 6.6 N ALL GAS
1977 - 1978 F-150 BASE V8 6.6 N ALL GAS
1977 - 1981 F-150 ALL V8 5.8 N ALL GAS Modified Engine;
1977 - 1995 F-150 ALL V8 5.8 N ALL GAS Windsor Engine;
1977 - 1985 F-250 ALL V8 5.8 N ALL GAS Windsor Engine;
1977 - 1981 F-250 ALL V8 5.8 N ALL GAS Modified Engine;
1977 - 1978 F-250 BASE V8 6.6 N ALL GAS
1977 - 1978 F-350 BASE V8 6.6 N ALL GAS
1977 - 1981 F-350 ALL V8 5.8 N ALL GAS Modified Engine;
1977 - 1985 F-350 ALL V8 5.8 N ALL GAS Windsor Engine;
1963 - 1968 FAIRLANE BASE V8 4.7 N ALL GAS
1969 - 1970 FAIRLANE ALL V8 5.8 N ALL GAS Cleveland Engine;
1969 - 1970 FAIRLANE ALL V8 5.8 N ALL GAS Windsor Engine;
1964 - 1968 FALCON BASE V8 4.7 N ALL GAS
1969 - 1970 FALCON ALL V8 5.8 N ALL GAS Windsor Engine;
1970 - 1970 FALCON ALL V8 5.8 N ALL GAS Cleveland Engine;
1964 - 1965 FALCON SEDAN DELIVERY BASE V8 4.7 N ALL GAS
1963 - 1963 FORD 300 BASE V8 4.7 N ALL GAS
1963 - 1967 GALAXIE ALL V8 4.7 N ALL GAS Windsor Engine;
1963 - 1967 GALAXIE BASE V8 4.7 N ALL GAS
1963 - 1967 GALAXIE 500 BASE V8 4.7 N ALL GAS
1969 - 1974 GALAXIE 500 ALL V8 5.8 N ALL GAS Cleveland Engine;
1969 - 1974 GALAXIE 500 ALL V8 5.8 N ALL GAS Windsor Engine;
1971 - 1974 GALAXIE 500 BASE V8 6.6 N ALL GAS
1972 - 1974 GRAN TORINO ALL V8 5.0 N ALL GAS Windsor Engine;
1972 - 1974 GRAN TORINO ALL V8 5.8 N ALL GAS Cleveland Engine;
1972 - 1974 GRAN TORINO SPORT V8 5.0 N ALL GAS Windsor Engine;
1972 - 1974 GRAN TORINO SPORT V8 5.8 N ALL GAS Cleveland Engine;
1972 - 1974 GRAN TORINO SQUIRE V8 5.0 N ALL GAS Windsor Engine;
1972 - 1974 GRAN TORINO SQUIRE V8 5.8 N ALL GAS Cleveland Engine;
1972 - 1975 GRAN TORINO SPORT V8 5.8 N ALL GAS Windsor Engine;
1972 - 1975 GRAN TORINO SPORT V8 6.6 N ALL GAS Modified Engine;
1972 - 1976 GRAN TORINO ALL V8 5.8 N ALL GAS Windsor Engine;
1972 - 1976 GRAN TORINO ALL V8 6.6 N ALL GAS Modified Engine;
1972 - 1976 GRAN TORINO BASE V8 6.6 N ALL GAS
1972 - 1976 GRAN TORINO SQUIRE V8 5.8 N ALL GAS Windsor Engine;
1972 - 1976 GRAN TORINO SQUIRE V8 6.6 N ALL GAS Modified Engine;
1974 - 1974 GRAN TORINO BROUGHAM V8 5.0 N ALL GAS Windsor Engine;
1974 - 1974 GRAN TORINO BROUGHAM V8 5.8 N ALL GAS Cleveland Engine;
1974 - 1974 GRAN TORINO ELITE V8 5.8 N ALL GAS Cleveland Engine;
1974 - 1974 GRAN TORINO ELITE V8 5.8 N ALL GAS Windsor Engine;
1974 - 1974 GRAN TORINO ELITE V8 6.6 N ALL GAS Modified Engine;
1974 - 1976 GRAN TORINO BROUGHAM V8 5.8 N ALL GAS Windsor Engine;
1974 - 1976 GRAN TORINO BROUGHAM V8 6.6 N ALL GAS Modified Engine;
1975 - 1975 GRAN TORINO SPORT V8 5.8 N ALL GAS Modified Engine;
1975 - 1976 GRAN TORINO ALL V8 5.8 N ALL GAS Modified Engine;
1975 - 1976 GRAN TORINO BROUGHAM V8 5.8 N ALL GAS Modified Engine;
1975 - 1976 GRAN TORINO SQUIRE V8 5.8 N ALL GAS Modified Engine;
1975 - 1977 GRANADA ALL V8 5.8 N ALL GAS Windsor Engine;
1964 - 1968 GT40 BASE V8 4.7 N ALL GAS
1965 - 1968 LTD BASE V8 4.7 N ALL GAS
1969 - 1974 LTD ALL V8 5.8 N ALL GAS Cleveland Engine;
1969 - 1984 LTD ALL V8 5.8 N ALL GAS Windsor Engine;
1971 - 1978 LTD BASE V8 6.6 N ALL GAS
1975 - 1986 LTD ALL V8 5.8 N ALL GAS Modified Engine;
1987 - 1991 LTD CROWN VICTORIA ALL V8 5.8 N ALL GAS Windsor Engine;
1977 - 1978 LTD II BASE V8 6.6 N ALL GAS
1977 - 1979 LTD II ALL V8 5.8 N ALL GAS Modified Engine;
1977 - 1979 LTD II ALL V8 5.8 N ALL GAS Windsor Engine;
1964 - 1968 MUSTANG ALL V8 4.7 N ALL GAS Windsor Engine;
1964 - 1968 MUSTANG BASE V8 4.7 N ALL GAS
1968 - 1973 MUSTANG ALL V8 5.0 N ALL GAS Windsor Engine;
1969 - 1995 MUSTANG ALL V8 5.8 N ALL GAS Windsor Engine;
1969 - 1973 MUSTANG ALL V8 5.8 N ALL GAS Cleveland Engine;
1970 - 1973 MUSTANG GRANDE V8 5.0 N ALL GAS Windsor Engine;
1970 - 1973 MUSTANG GRANDE V8 5.8 N ALL GAS Cleveland Engine;
1970 - 1973 MUSTANG GRANDE V8 5.8 N ALL GAS Windsor Engine;
1970 - 1973 MUSTANG MACH I V8 5.0 N ALL GAS Windsor Engine;
1970 - 1973 MUSTANG MACH I V8 5.8 N ALL GAS Cleveland Engine;
1970 - 1973 MUSTANG MACH I V8 5.8 N ALL GAS Windsor Engine;
1995 - 1995 MUSTANG SVT COBRA R V8 5.8 N ALL GAS Windsor Engine;
1976 - 1976 P-350 BASE V8 6.6 N ALL GAS
1975 - 1976 P-400 BASE V8 6.6 N ALL GAS
1975 - 1977 P-500 BASE V8 6.6 N ALL GAS
1963 - 1968 RANCH WAGON BASE V8 4.7 N ALL GAS
1969 - 1974 RANCH WAGON ALL V8 5.8 N ALL GAS Cleveland Engine;
1969 - 1974 RANCH WAGON ALL V8 5.8 N ALL GAS Windsor Engine;
1971 - 1974 RANCH WAGON BASE V8 6.6 N ALL GAS
1965 - 1968 RANCHERO BASE V8 4.7 N ALL GAS
1969 - 1974 RANCHERO ALL V8 5.8 N ALL GAS Cleveland Engine;
1969 - 1979 RANCHERO ALL V8 5.8 N ALL GAS Windsor Engine;
1975 - 1979 RANCHERO ALL V8 5.8 N ALL GAS Modified Engine;
1964 - 1964 SPRINT BASE V8 4.7 N ALL GAS
1971 - 1978 THUNDERBIRD BASE V8 6.6 N ALL GAS
1972 - 1978 THUNDERBIRD ALL V8 6.6 N ALL GAS Modified Engine;
1977 - 1979 THUNDERBIRD ALL V8 5.0 N ALL GAS Windsor Engine;
1977 - 1979 THUNDERBIRD ALL V8 5.8 N ALL GAS Modified Engine;
1977 - 1979 THUNDERBIRD ALL V8 5.8 N ALL GAS Windsor Engine;
1969 - 1976 TORINO ALL V8 5.8 N ALL GAS Windsor Engine;
1970 - 1974 TORINO ALL V8 5.8 N ALL GAS Cleveland Engine;
1972 - 1976 TORINO BASE V8 6.6 N ALL GAS
1975 - 1976 TORINO ALL V8 5.8 N ALL GAS Modified Engine;

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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