Tylerwatson
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Hey so I’m just wondering what are the pros and cons to doing a balance shaft delete on a v6 Buick motor
Welcome to Just Commodores, a site specifically designed for all people who share the same passion as yourself.
Less stress on the timing chain/tensioner, potentially less noise from balance shaft bearings, slightly less rotating mass.
Cons, maybe some increased engine harmonics at certain rpms but then throw in some new engine mounts and you probably won't won't notice anything. If you really want to smooth out the engine, fit a decent harmonic balancer, the OEM unit is a POS.
...and those feel good vibes about modifying your motor
What sort of sound does a balance shaft make? Would it sound like a loose manifold heat shield when under load I.e going up a hill?Balance shaft in Buicks do stuff all but create annoying noise when the bearing gets old. In my experience any extra harmonics are not even noticeable. If the timing cover is off then its worth removing the drive sprocket. If the cover is not off and it's not noisy then probably not worth removing the sprocket. If fitting a new chain then definitely remove it.