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Superdave

09 RLXI Hammerhead Harmonic Balancer Replacement

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Superdave

My balancer has separated on my 2009 RLXI hammerhead. Anyone know what the correct aftermarket replacement application would be (400 ci chevy? Year?). I'm not sure what year block/crank Inmar used and could not find much info on it.

Thanks,

Dave

 

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MadMan

I don't know what Indmar/GM did to build your 383, but you can build them either internal or external balance.  What does yours look like?

The one on the right is external:

400bal2-jpg.3285579

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Superdave

Thanks Madman. It does not have any reliefs similar to one on left but aren't some of them balanced by drilling holes in the side of the balancer?

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Superdave

Also, mine has the degrees on the wheel itself vs the degrees on the tab that is bolted on the block.

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MadMan
1 hour ago, Superdave said:

Thanks Madman. It does not have any reliefs similar to one on left but aren't some of them balanced by drilling holes in the side of the balancer?

1 hour ago, Superdave said:

Also, mine has the degrees on the wheel itself vs the degrees on the tab that is bolted on the block.

The degrees on the wheel are pretty common.

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Superdave

So I learned, through doing the job, that mine has an externally balanced harmonic balancer. The balance weight is bolted - two bolts - on the inside of the balancer.

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Falko

Good to know, thanks for updating.

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