C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Harmonic Balancer -- what to buy?

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Old Nov 9, 2008 | 09:17 AM
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Default Harmonic Balancer -- what to buy?

I need to buy a harmonic balancer for my 383 build. I had the rotating assembly balanced, and my redline will be in the 6000 range based on my intake choice (FIRST). Usage will be mostly street, with 1-2 NASA track events per year and the occasional trip to the strip.

My original plan was to buy a stock replacement part. However, I also see listings for heavy duty balancers. I'm guessing that the primary difference is a better grade elastomer and improved bonding of the rubber to the metal. Does anyone know what the difference is, and is it necessary for the planned usage?

Also, would a viscous damper (FluidDamper) offer any benefits for this type of usage?

TIA
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Old Nov 9, 2008 | 09:34 AM
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Originally Posted by Z51L9889
I need to buy a harmonic balancer for my 383 build. I had the rotating assembly balanced, and my redline will be in the 6000 range based on my intake choice (FIRST). Usage will be mostly street, with 1-2 NASA track events per year and the occasional trip to the strip.

My original plan was to buy a stock replacement part. However, I also see listings for heavy duty balancers. I'm guessing that the primary difference is a better grade elastomer and improved bonding of the rubber to the metal. Does anyone know what the difference is, and is it necessary for the planned usage?

Also, would a viscous damper (FluidDamper) offer any benefits for this type of usage?

TIA
The aftermarket balancers are encapsulated by a shell.
In my opinion, this is there best feature.
I dont worry about balancer durability, as I never use one for more than 10 years, and keep my revs below 6k. Probably not my smartest move though, so I bought an ATI for my 406 build.
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Old Nov 12, 2008 | 12:46 PM
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ATI damper...they are modular units and can also be rebuilt
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