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See the inside of the new TwinAir engine by Fiat Powertrain Technologies.
The new engine will make its debut on Fiat 500 and Fiat 500C TwinAir!
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fiatontheweb • 53,134 views
It's a balancer shaft. It counteracts the inertia of the pistons to stop the engine vibrating.
It's a balancer shaft. It counteracts the inertia of the pistons to stop the engine vibrating.