Still, there is something weird. Our a-8 is actually a lot slower than the a5, even with the small gun package, at every altitude except a small window between the deck and 3-4k. Also climbs worse, heck, never ever seen an a8 getting close to 4000 feet/min.
I dont know whats wrong, i dont have the information, but i dont think a 1944 bird should perform worse than its 1942 predecessor in every single role except the loadout choices.