[pupo162]

preatty much wha JRB said

1 - 8 Tracer + icendiary ( 1 -1 ratio , red and yellow for the cool factor)
2 - 7 Icendiary.
3 - 6 Armour piercing.
4 - 5 Armour piercing.

convergence set at 100 meters our 150 meters. aim at the engine.