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ATI Harmonic Balancer Supercharged 4.6 / 5.4 2V 8 Rib




 
List Price: $505.58
Our Price: $414.55
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Product Code: ATI918037
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Description
 
#918037 - 4.6 / 5.4 FORD 2V 8 RIB SUPERCHARGER BALANCER 6.780" ALUMINUM SHELL
 
ATI Damper Technology

The patented ATI Super Damper® is the only harmonic damper designed exclusively for high performance engines. The proven elastomer design is actually two dampers in one: a 4" inner diameter and a 5-1/2", 6 3/8", 7", or 8" diameter outer damper in two shells that bolt to the crank hub.

All ATI Super Dampers® feature a replaceable bolt-in crank hub. Shells are black zinc chromate finished, with computer controlled, laser engraved 360° timing marks.

All units are SFI manufacturer certified and exceed SFI spec. 18-1. The patented Super Damper® also gives you guaranteed performance. Your car will run as fast or faster than with your present damper or your money back. Dyno tests have proven the Super Damper® will allow the engine to produce as much as 45 HP over a Fluidampr at 7,500 RPMs and commonly 12 to 30 HP over OEM and other aftermarket brands.
 
For years major manufacturers have used the elastomer-type damper design. These conventional, single-strip elastomer dampers have proven very effective on OEM applications operated at low RPM's. They were also surprisingly effective at high RPM's.

Many engineering studies have shown that elastomer style dampers to be the far superior to the friction type and markedly better than the viscous type in controlling vibrations. 

Conventional single strip elastomer dampers are not rebuildable. The main problem with this type of damper is a loss of certain controls inherent in the manufacturing process. An inertia weight pressed with a rubber insulator to the crank hub allows the possibility of the ring to move in its relation to the keyway.
It is also impossible to maintain the concentricity of the inertia ring during manufacturing. The ring must be machined after it's pressed to the hub, then balanced after machining. When it comes loose, imbalance could occur. Hundreds of these OEM imitation SFI approved dampers have failed in service on high RPM engines.

Viscous fluid dampers are sealed. The inertia weight can become locked by bearing failure or, more commonly, from the silicone turning to a solid mass. Your first warning of damper failure will probably be a broken crankshaft resulting in the replacement of your damper AND the engine. Viscous fluid dampers are not only ineffective but are actually detrimental at high RPM's.

The solution? The ATI Torsional Super Damper® - the unconventional, unbonded elastomer Super Damper™ that is actually 2 dampers in 1 diameter.

The ATI Super Damper®, U.S. Patent #5,425,287, is the only damper designed exclusively for high RPM performance engines. The proven elastomer design is actually two dampers in one: a 4" inner diameter and a 7" diameter damper contained in 2 shells that bolt to the crank hub. The inner and outer shells are available in steel and in aluminum to contain the steel inertia weight.

The inertia weight has 8 computer-machined grooves to retain the proper durometer o-rings (dyno tested for each application), and installed at ATI. O-ring life has been tested to over 3 million cycles in Nextel Cup competition (6500+ RPM, 500+ miles) and 10 years (188 - 11 round weekends) in drag racing. The unit is rebuildable to new specifications by installing new O-rings.

Extensive dyno and on-the-track testing by ATI, GM, Toyota Racing Development (TRD), and NASCAR engine builders have proven the Super Damper® far superior to all other designs, especially on engines that turn over 6,000 RPM— making it the damper of choice in NASCAR.
 
Ford Supercharged Dampers
 
  FORD OEM FRONT - 4 BOLT PULLEY
STEEL SHELLS
ALUMINUM SHELLS
CRANK HUB
7.530" OD
6.325" OD
7.074" OD
6.780" OD
6.325" OD
3 RING
3 RING
STEEL
TOTAL WEIGHT
INERTIA WEIGHT
8.75 LBS
4.50 LBS
6.00 LBS
2.40 LBS
5.45 LBS
3.70 LBS
3.90 LBS
2.40 LBS
INTERNAL BALANCE DAMPER ASSEMBLY PART NUMBERS  
V8 SB - 6 CYL. 4"
918916 [3]
918922
916566A
2B BLOWER DRIVE 74 TEETH
50 MM WITH 25 TOOTH HTD HUB
917032
 
916574
SB BLOWER DRIVE 66 TEETH
50 MM WITH 25 TOOTH HTD HUB
917033
 
916574
MUSTANG COBRA - 4.6 V8 8 RIB
918038
 
916572
MUSTANG ('96 - '04) - 4.6 V8 8 RIB    
918037
 
918572
EXTERNAL BALANCE DAMPER ASSEMBLY PART NUMBERS
V8 SB EXCEPT '82 & UP 302 HO 28.2 OZ IN
918912 [3]
916566A
V8 SB '82 & UP 302 HO ONLY 34 OZ IN [4]
 
918913 [3]
     
916566A



[1] Use hub part #916136 for 1.245 “ crankshaft with BB seal & Chevy bolting
[2] Part #916256 has a .600 counterbore, part #916257 has a .830 counterbore.
[3] Hub # 916566 has increased wall thickness & two 3/16” keyways for 4-bolt supercharged applications. Requires seal #973131.
[4] 1994 & 1995 have clearance issues with the rack.
[5] 7” OD, OEM replacement. Damper is a complete bolt-on unit. 8 ribs for supercharged belt if needed.

Average Customer Review: 5 of 5 Total Reviews: 1 Write a review.

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ARP 4.6 / 5.4 Harmonic Balancer Bolt
Our Price: $28.77

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  0 of 0 people found the following review helpful:
 
Ati damper September 29, 2011
Reviewer: Kenneth Proctor from Poplar bluff, MO United States  
A little disappointed there were no mod max decals. Can you point me I'n the right direction for a crank vase vent or evac system. Pcv delete? Good idea? Or weld the bungs I'n my headers type of setup. Do you sell the correct setup for my application? Catch can type? Any help greatly appreciated.   Thanks Kenny proctor. 01 lightning. Trickflow heads comp cams built short block.

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