255R21
Production years: 1983 through ???
Shared specs:
- SOHC 4V Inline 5, cast iron block, aluminium head
- Bore: 85mm
- Stroke: 75.5mm
- Displacement: 2141cc
Cars used in:
- 1978-19?? Coupe
- 1982-1992 Mk4 Foreia
- 1982-19?? Mk2 Klinos
- 1988-1999 Mk2 Ochlosia
- 1990-19?? Mk3 Klinos
- 1992-19?? Mk5 Foreia
Mpi (1983-1992)
Specs:
- Internals: Cast crank, Cast rods, Hypereutectic cast pistons
- Compression ratio: 8.4:1
- Naturally aspirated
- Multipoint EFI
- 6500rpm redline
- Unleaded 91
- Short cast exhaust header
- Two reverse flow mufflers
Used in:
- 1983-1992 Foreia mk4 2.1 GLi / GLi Tetra
- 1983-1985 Coupe 2.1CS
MpiTE (1983-1993)
Specs:
- Internals: Cast crank, Cast rods, Forged pistons
- Compression ratio: 8.0:1
- Single ball bearing turbo @0.72bar
- Multipoint EFI
- 6800rpm redline
- Unleaded 91
- Short cast exhaust header
- One straight through, one reverse flow mufflers
Used in:
- 1983-19?? Klinos Excellence
- 1983-19?? Coupe 2.1 Turbo
- 1988-1993 Ochlosia 2.1 Turbo
MpiT (1983-1988)
Specs:
- Internals: Forged crank, Heavy duty forged rods, Forged pistons
- Compression ratio: 8.0:1
- Single ball bearing turbo @1.05bar
- Multipoint EFI with ITBs
- 7100rpm redline
- Unleaded 95
- Short cast exhaust header
- One straight through, one reverse flow muffler
Used in:
- 1983-1988 Coupe TETRA Evo III
MpiT2 (1983-1984)
Specs:
- Internals: Forged crank, Heavy duty forged rods, Forged pistons
- Compression ratio: 8.0:1
- Single ball bearing turbo @1.34bar
- Multipoint EFI with ITBs
- 7300rpm redline
- Unleaded 95
- Short cast exhaust header
- One reverse flow muffler
Used in:
- 1983-1984 Coupe TETRA “Tour De Corse” 'Group B homologation special)
MpiTR (F1) (1984-1988)
Specs:
- Internals: Forged crank, Heavy duty forged rods, Forged pistons
- Compression ratio: 8.4:1
- Single ball bearing turbo @2.11bar (no wastegate)
- Multipoint EFI with ITBs
- 7800rpm redline
- Unleaded 95
- Short cast exhaust header
- No mufflers
Used in:
- 1984-1985 Coupe Tetra Group B rallye car (ver. 1)
- 1988 Foreia Trans-Am race car
MpiTR (F2) (1985-1986)
Specs:
- Internals: Forged crank, Heavy duty forged rods, Forged pistons
- Compression ratio: 8.8:1
- Single ball bearing turbo @2.6bar
- Multipoint EFI with ITBs
- 9100rpm redline
- Unleaded 98
- Short cast exhaust header
- No mufflers
Used in:
- 1985-1986 Coupe Tetra Evo 4
disregard the ET/PU, how was I supposed to get more HP outta this :'(
MpiT3 (1988-1988)
Specs:
- Internals: Forged crank, Heavy duty forged rods, Forged pistons
- Compression ratio: 8.0:1
- Single ball bearing turbo @1.05bar
- Multipoint EFI with ITBs and VVT
- 7200rpm redline
- Unleaded 95
- Short cast exhaust header
- One reverse flow muffler
Used in:
- 1988 FAAL Tetra Evo 4
Mpi Euro 1 (1991-19??)
Specs:
- Internals: cast crank, cast rods, low friction cast pistons
- Compression ratio: 8.6:1
- Naturally aspirated
- Multipoint EFI with VVT
- 6900rpm redline
- Unleaded 91
- Short cast exhaust header
- Catalytic converter and two reverse flow mufflers
Used in: - 1991-19?? Mk3 Klinos 2.1 GL
- 1992-19?? Mk5 Foreia 2.1 GL
MpiT Euro 1 (1990-19??)
Specs:
- Internals: cast crank, cast rods, forged pistons
- Compression ratio: 7.5:1
- Single ball bearing turbo @ 0.767 bar
- Multipoint EFI with VVT
- 6800rpm redline
- Unleaded 91
- Short cast exhaust header
- Catalytic converter and one straight through, one reverse flow muffler
Used in: - 1991-19?? Mk3 Klinos GLS Turbo
- 1992-19?? Mk5 Foreia Coupe Turbo
