ok, finally.
Just tried Spits, V and IX. Yes, I understand your frustration now.
Only planes which DIDN'T run away from my Spits were La-7. All others - Yak, F4U, Dora, and P38 - tried to run because they didn't have 5 K alt advantage.
You have very strange logic. If we take as fact that only what La-7 can do is running what is the difference how many cannons it has or how good is their turn or climb performance? If they only run away you would never see their cannons!
The problem is not that they run. The problem is that they DON'T run. And you can't run away from them. La-7's ruin your childish games in "real life". "I have to accomplish my mission, I have to bring ordinance to the enemy field, my squad commander ordered me to take that field so I am going to imagine myself as a WW2 hero!". You don't want to fight - it is "quake game" for you! No, you want to "win the war", to "accomplish my childish mission", to "protect bombers..." - anything but not fight!
Actually, it is ok, I will kill you in La-7 anyway. BUT WHY DO YOU BLAME LA-7 FOR BEING RUNNING AWAY? I don't understand to whom do you lie? To me? - I am flying on the same arena as you do, and I am old enough to see obvious things.
You lie to yourself.