To accommodate the LS9 cam in an earlier Gen III engine like ours requires a front-mounted LS2 timing cover with its front-mounted sensor and the correct cam gear.

Moving the cam sensor on a Gen 1 LS engine to the front timing cover is easy if you have the right parts and we show you how.

At that point there should be a small toothpick-sized hole that will align in the cam position sensor. An DC and check to see if the small hole in the cam sensor/synchronizer is lined up or 180 ...