Hi Kweassa,
>So we're gonna have to fight SpitVs with +16 boost with F-4 using 1.30 ata?
Well, I reckon the +16 lbs/sqin Spitfire V should be competitive below 4 km with a small speed advantage near the ground. Above 4 km, the 1.30 ata Messerschmitt would be clearly superior though.
Regards,
Henning (HoHun)