| Term |
Explanation |
| RB |
Less common engine family in Z31s as they came in JDM 200ZRs. Followed by 2 digits for displacement in deciliters. "D" for dual overhead cam (DOHC). "E" for multi-point fuel injection. "T" for turbo.
Ex: RB20DET is a 2.0L RB-family engine with multi-point fuel injection that has a DOHC and is turbocharged. |
| VG |
Common engine family in Z31s. Followed by 2 digits for displacement in deciliters. "E" for multi-point fuel injection. "T" for turbo.
Ex: VG30ET is a 3.0L VG-family engine with multi-point fuel injection that is turbocharged.
If a "D" is present, it is a dual overhead cam (DOHC) version common to Z32s and JDM 300ZRs. ie: VG30DE. |
| W-series |
Late 1987.5 to 1989 VG30 engine series |