255R25
Production years: 1982 through ???
Shared specs:
- SOHC 4V Inline 5, cast iron block, aluminium head
- Bore: 85.2mm
- Stroke: 87.6mm
- Displacement: 2497cc
Cars used in:
- 1978-1988 Coupe
- 1982-1992 Mk4 Foreia
- 1982-1990 Mk2 Klinos
- 1988-1999 Mk2 Ochlosia
- 1990-19?? Mk3 Klinos
Mpi (1982-19??)
Specs:
- Internals: Cast crank, Cast rods, Hypereutectic cast pistons
- Compression ratio: 8.4:1
- Naturally aspirated
- Multipoint EFI
- 6200rpm redline
- Unleaded 91
- Short cast exhaust header
- Two reverse flow mufflers
Used in:
- 1982-1992 Foreia IV 2.5 GLi
- 1982-1992 Klinos II 2.5 GLSi
- 1988-1992 Ochlosia II 2.5 GLi
Mpi2 (1982-19??)
Specs:
- Internals: Cast crank, Lightweight forged rods, Forged pistons
- Compression ratio: 8.7:1
- Naturally aspirated
- Multipoint EFI
- 6900rpm redline
- Unleaded 91
- Tubular exhaust header
- One straight through, one reverse flow mufflers
Used in:
- 1983-1992 Coupe 20V
Mpi Euro 1 (1990-19??)
Specs:
- Internals: Cast crank, Lightweight forged rods, Forged pistons
- Compression ratio: 8.8:1
- Naturally aspirated
- Multipoint EFI
- 6900rpm redline
- Unleaded 91
- Cast log exhaust header
- Catalytic converter, two reverse flow mufflers
Used in:
- 1990-19?? Mk3 Klinos 2.5 GL
- 1992-19?? Mk5 Foreia 2.5 GLS
MpiS Euro 1 (1992-19??)
Specs:
- Internals: Cast crank, Lightweight forged rods, Forged pistons
- Compression ratio: 9.5:1
- Naturally aspirated
- Multipoint EFI
- 7200rpm redline
- Unleaded 91
- Tubular exhaust header
- Catalytic converter, one straight through, one reverse flow muffler
Used in:
- 1992-19?? Mk5 Foreia Coupe 20V
