Head First in the deep end

[tooter]

Originally Posted by spocksleftball

What is the point of the flywheel upgrade. I remember a thread about performance, but it seems a limited bonus like a cai.

When I was in auto shop in the "old days"...
...the front pulleys were called harmonic balancers. I was told that it was good for the crankshaft to have some rotating weight at both ends to help counter the twisting forces acting on it from being connected to a major load at only one end. The back weight being the flywheel. The load on the belts at the front also helps.

But they definitely do make the engine more responsive, just like they do on motorcycles.