Re: LS2 Cam in a Gen3. School Me.
You don't need the extended pigtail on the cover but it makes it cleaner to hook up and not have to worry about the wiring hitting the balancer. You also need a jumper that will go from the stock sensor plug to the new plug on the cover.
As for the sprocket i am assuming you are talking about the stock cam sprocket and yes you need to change it.
The ls2 cam sprocket has the timing lug on it for the cam sensor to read its position. A stock gen 3 will not.
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