print at hight temp (220 c) +. at low speed for good layer bonding cooling fan off
Firewall 1 and landing gear clam at 100% infill.
Firewall 2 at 25% infill. 6 bottom, 6 top , 3 perimetre.
Motor mount 100% infill with support.
Cowl = Print it the same side as show on the picture to save a lot of material in support. 0 infill, 0 bottom, 0 top. 4 perimeter the first 10mm height, 3 perimeter from 10 to 20mm, 2 perimeter from 20mm to the top.
I made a quick guide to show you how it install.