4.8L V8 FI F
4.3L 6 WHITE
2.7L I4 FI DOHC 16V NF4 White
5.3L 8 BLACK
2.7L 4 CHARCOAL
6.6L V8 FI F Unknown
5.3L V8 FI OHV 16V NF2 Unknown
4.8L 8 BLACK
6.6L V8 FI OHV 32V NF4 Unknown