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Im not sure on if engine has been apart. The car is fairly new to me. So i dont have entire history.
You are correct on chain guides. I can only see the ones on the cam shaft. I was expecting they could be worn since only 1 of the 2 banks was off time. But the vario cam unit and guides look really good.
So the sprocket is a press fit, and if someone was to downshift hard and over rev that could spin in the shaft.
Thanks
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