| Application | AC |
|---|
| 3.1L (VIN T) |
| All Except Camaro & Firebird | R43LTSE |
| Camaro & Firebird | R43TSK |
| 3.1L (VIN V) | R42LTS |
| 3.3L (VIN N) | R44LTS6 |
| 3.8L (VIN C & L) | R44LTS6 |
| Application | Gap: In. (mm) | Torque: Ft. Lbs. (N.m) |
|---|
| 3.1L (REGAL VIN T) | .045 (1.14) | 11 (15) |
| 3.1L (VIN T & V) | .045 (1.14) | 18 (24) |
| 3.3L (VIN N) | .060 (1.52) | 20 (27) |
| 3.8L (VIN C & L) | .060 (1.52) | 20 (27) |
SPARK PLUG GAP & TORQUE SPECIFICATIONS
3.1L (VIN T & V) Firing Order & Timing Marks. Scheme 1
Scheme 1: 3.1L (VIN T & V) Firing Order & Timing Marks
3.3L (VIN N) & 3.8L (VIN L) Firing Order & Timing Marks (Type I Ignition). Scheme 2
Scheme 2: 3.3L (VIN N) & 3.8L (VIN L) Firing Order & Timing Marks (Type I Ignition)
3.3L (VIN N) Firing Order & Timing Marks (Type II Ignition). Scheme 3
Scheme 3: 3.3L (VIN N) Firing Order & Timing Marks (Type II Ignition)
3.8L (VIN L) Firing Order & Timing Marks (Type II Ignition). Scheme 4
Scheme 4: 3.8L (VIN L) Firing Order & Timing Marks (Type II Ignition)
3.8L (VIN C) Firing Order & Timing Marks. Scheme 5
Scheme 5: 3.8L (VIN C) Firing Order & Timing Marks
