Engine and Turbo Tuning - Car Manufacturer Compatibility

Engine Tune Manufacturers
[AKP] Aikawa Seiki
[HRM] Harima Industrials
[BAS] Basso
[UNI] Union Engineering
[HVN] Hell Venus

Turbo Tune Manufacturers
[TZM] Tejima Heavy Industry
[GME] G-MEN
[KW] KW
[TRM] Tram Giken
[CRA] Crack

Three Levels of Tune
Normal - Performance is determined by the level of the equipped parts.
Moderate - Increased performance from better efficiency.
Critical - Maximized performance from maximum efficiency.

To achieve Critical Tune, put the following manufacturer combinations together.

Horizontal [H Engine]

Part A: UNI

Part B: HVN

Part C: HRM

Intercooler: KW

Turbine: GME

Air Filter: TZM

Rotary [R Engine]

Part A: HVN

Part B: HVN

Part C: HRM

Intercooler: CRA

Turbine: TRM

Air Filter: KW

Straight-Block [S Engine]

Part A: AKP

Part B: HRM

Part C: UNI

Intercooler: GME

Turbine: TZM

Air Filter: TRM

V-Block [V Engine]

Part A: BAS

Part B: HRM

Part C: UNI

Intercooler: TRM

Turbine: CRA

Air Filter: KW