Whirlpool :
5 Turbo jets
5 Back

Mass-air :
17 Injectors (with seat) :
5 Back seat
11 Bottom jets

19 Injectors (no seat) :
5 Back seat
14 Bottom jets

Activ-air :
45 Micro-jets :
7 Back seat
38 Perimeter jets

Activ-air+ :
12 Bottom jets (with seat)
or 14 Bottom jets (without seat)

Mass-air add 1 1/2