Assuming a RW with no trees, hills, etc....
loadout 40 500's 50% fuel
Flaps set 0
All brakes engaged at start-up...released when full RPM's reached
WEP engaged
Flaps set 2 notches at end of runway and pull back for 5-10 o climb
Set flaps 1 @ 140.....flaps 0 at 160
Maintained 10 o auto climb.
Worked for me