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SKU: 918910
Ford Super Damper Harmonic Dampers
|
'82-'95 302 HO ONLY 34 OZ.IN. OEM |
4" B TIMING TAB |
918910 |
'82 & UP 302 HO ONLY |
916562 [10] |
The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines.
- Eliminates torsional crankshaft vibrations
- Exceeds SFI 18.1 specs
- Black zinc chromate finished
- Tunable, rebuildable, and extremely efficient at ALL RPM
- Laser engraved timing marks
Inner and outer shells are available in aluminum or steel, and contain a steel inertia weight. This inertia weight has six (2-ring design) or eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application).
How to find the correct Ford Small Block Damper
To choose the correct SBF Damper, you need to know the location of the timing tab, the bolt style of the pulley and the overall damper length - the
distance measured from the front face of the damper to the back of the hub.
1. Timing Tab Location
Ford dampers come with one of three timing covers with the following tab locations:
Small block engines with timing "Tab A” (driver side timing) would most likely be 260 (all), 289 (all), 302-(‘67-’69) and Boss 302 (‘69-’70).
2. Pulley Bolt Style
Ford pulleys come in two bolt styles - either 3-bolt or 4-bolt fronts. 3-bolt pulleys are found on dampers with a length of 3", 4-bolt pulleys are used on 4" dampers, and 3.35" (~3-3/8") dampers use both 3 and 4 bolt fronts. On ATI's damper charts, 3-bolt dampers are highlighted in Yellow and 4-bolt dampers are highlighted in Orange.
3. Damper Length
Ford dampers come in three lengths—the distance measured from the front face of the damper to the back of the hub. They are approximately 3”, 3.35" (~3-3/8") or 4”.
1982 and later 302 HO, 34 oz. in. use Damper #918910.
External balance units are 28.2 oz.in. 302-351, except 302 HO part #918910 which is 50.oz.
Part #918911 (28 oz. in.): If you install a 351 external balance crank in a 302 HO and use the stock 302 HO timing cover.
The 28.2 oz. in. units will work on all external balance engines EXCEPT the 1982 and later HO provided the timing tab is in the proper place or you can fabricate a pointer. The length is okay if you’re using pulleys.
ATI
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