Picture: LS3 Harmonic Balancer Separating?

[ruggerdrisc]

This is a new LS3 crate motor that I bought 5 years ago and just got installed and running in spring ?23. Im using the CTSV accessory drive. A belt chirp got my attention and it looks like the harmonic balancer is out of alignment causing the belt on the balancer to move back toward the block by 1 or 2 ribs. The crank bolt is tight so I started looking at the balancer itself? see the picture: has the outer ring started to move toward the radiator? This balancer doesn?t have a recess/step lime the truck/SUV/11-15 Camaro version and should be flush on the front according the chart. I barely have a few hours on the motor so none of it makes sense. Appreciate your help? Thank you!




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[ruggerdrisc]

Found a picture of the motor from a few years ago.


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[ruggerdrisc]

FYI, I replaced the balancer and it was definitely separating. Pulley?s and belt are aligned now.


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[Accelo]

Very common problem with the LS Corvette engines.