Hi Bumstead, I just started out with no thrust adjustments on all my 3 Vector airplanes, and eventually settled with about 2 degrees right thrust only, and no down thrust. All track absolutely straight in level or vertical climb and require very little trim change going inverted.
With the Lycoming decal, I just stuck the whole decal to clear scotch tape and applied it to the cowl. Then carefully peeled away the sides only leaving the text on the cowl. Has to be done dry without the windex. Good luck!