ok sure only 3 second differance between planes...... but it supposed to be a much bigger differance! the P51D takes ~ 1 minute longer (somewhere between 10 to 12.5% differance) to get to 20k and the FW takes ~ 2 minutes less to get to the same 20k. the pony lost about 200 FPM at sea level..... and thats flying basicaly striped WITH WEP max I can get is 3,275 its supposed to get 3,475