i did not fill the hole in on the wing area.
i have about 3 degress of right thrust
i have about .5 of up thrust on the motor
my cowl did not come with any right thrust built into so what i did was fill the cowl hole (around that area) with exopy and micro ballons so that i could sand an angle to the cowl so that the spinner would not have a large cap angling.

She is one sweet machine i have over 250+ flights on mine. i logged 2 of her today.....