Like so many other SE builders, I followed the instructions and mounted my engine fairly early in the process. As a result, I needed to add about 3.5 oz of weight in the nose to get my CG correct. (OS .46) I had already cut my throttle cable to length, so couldn't consider moving my engine further forward. My advice to other builders is to wait until the last possible step to drill your engine mounts and do a preliminary balance. I plan to order a new cable and re-mount my engine to eliminate some of this excess weight...Fred123[&:]