LASRE Experimental Engines

LASRE EXPERIMENTAL 1S-FF
1S-U engine used as basis for this FF version. More compact, with careful attention paid to reducing weight without sacrificing performance. This top-flight powerplant offers the driver a superb sporty feeling. Developed into the production 1S-LU engine used in the SV10 Camry / Vista. 1S engine is the world's first featuring hollow camshaft with sintered lobes and sintered forged connecting rods. Debuted at the 1981 Tokyo Motor Show in the Toyota F-120 Concept Vehicle which later became the SV10 Toyota Camry / Vista.

1,832cc OHC/ 8 VALVE/ 4 CYLINDER2 BBL CARBURETOR
JDM Specifications100 PS / 5,400 rpm (JIS gross)15.5 kg-m / 3,400 rpm (JIS gross)

80.5 mm bore x 90.0 mm stroke
9.0:1 Compression Ratio
Naturally Aspirated Gasoline Engine
Hydraulic Valve Lash Adjusters
Hollow Camshaft with Sintered Lobes
Sintered Forged Connecting Rods
EGR (Exhaust Gas Recirculation)
EACV (Electric Air Control Valve)
2-Barrel Downdraft Carburetor

LASRE EXPERIMENTAL 1S-FF Engine from 1981 Toyota F-120 Concept Vehicle

LASRE NEW DIESEL 1.8
Developed into the production 1C diesel engine. Lightweight, compact 1.8L diesel engine developed to realize optimum fuel efficiency, superb power performance and low noise levels. Major characteristics include: direct drive OHC design with aluminum cylinder heads, multiple-pulley drive, tooth-grooved timing belt and small-size injectors.

1,839cc OHC/ 8 VALVE/ 4 CYLINDER
JDM Specifications65 PS / 4,500 rpm (JIS gross)11.5 kg-m / 3,000 rpm (JIS gross)

83.0 mm bore x 85.0 mm stroke
22.5:1 Compression Ratio
Naturally Aspirated Diesel Engine
Long-port Type Intake Manifold
Super Glow Control System
DENSO Rotary Diesel Injection Pump

LASRE NEW DIESEL 1.8 Engine (1981)

LASRE L-TURBO DIESEL
Further developed into the production 2L-T diesel engine. The L-type diesel engine has been equipped with a Toyota developed turbocharger, further enhancing its superb fuel efficiency; with 30% more torque with improved acceleration.

2,188cc OHC/ 8 VALVE/ 4 CYLINDER
JDM Specifications88 PS / 4,200 rpm (JIS gross)18.5 kg-m / 2,400 rpm (JIS gross)

90.0 mm bore x 86.0 mm stroke
21.5:1 Compression Ratio
Turbocharged Diesel Engine
Swirl-type combustion chamber
Cross-flow type Intake & Exhaust layout
DENSO Rotary Diesel Injection Pump

LASRE L-TURBO DIESEL Engine (1981)

LASRE EXPERIMENTAL DOHC (TWIN CAM) 1G 24 VALVE
1G-EU engine used as basis. Developed into the production 1G-GEU engine. Toyota's first twin-cam 4-valve/cylinder engine.

1,988cc EFI TWINCAM/ 24 VALVE/ 6 CYLINDER
JDM Specifications160 PS / 6,400 rpm (JIS gross)18.5 kg-m / 5,200 rpm (JIS gross)

75.0 mm bore x 75.00 mm stroke
9.1:1 Compression Ratio
Naturally Aspirated Gasoline Engine
Pent-roof Combustion Chambers
4 Valves per Cylinder
TCCS (Toyota Computer Controlled System)
ESA (Electronic Spark Advance) Distributor
Electronic Fuel Injection (EFI-D)
T-VIS (Toyota Variable Induction System)
High Performance Twin Cam

LASRE EXPERIMENTAL DOHC 1G 24 VALVE (1981)

LASREα-X

1G-GEU based advanced development engine including: 1) variable valve timing, 2) variable intake runners, 3) variable engine displacement, 4) twin turbochargers with an intercooler and, 5) distributorless ignition. Debuted in 1983 at the Tokyo Motor Show in the FX-1.

1,988cc EFI TWINCAM TURBO/ 24 VALVE/ 6 CYLINDER
JDM Specifications240 PS / 6,400 rpm (JIS net)30.0 kg-m / 3,600 rpm (JIS net)

75.0 mm bore x 75.00 mm stroke
Twin Turbo Gasoline Engine
Air-Air Intercooler
Pent-roof Combustion Chambers
FRM (Fiber Reinforced Metal) Connecting Rods
TCCS (Toyota Computer Controlled System
Variable Valve Timing
Variable Engine Displacement
Distributorless Ignition System
Twin-Sensor Knock Control System
Electronic Fuel Injection (EFI-L)
T-VIS (Toyota Variable Induction System)
High Performance Twin Cam

LASREα-X from 1983 Toyota FX-1

LASREα EXPERIMENTAL 1G TWINCAM 24 TWIN TURBO
1G-GEU engine used as basis. The Experimental 1G Twin Cam 24 Twin Turbo is Toyota's finest engine, using Toyota's most advanced technology. It is basically the 1G Twin Cam 24 high-performance unit that won the prestigious Medal for Technology of the Japan Society of Mechanical Engineers in 1982. The engine has been fitted with two turbochargers and a cooling-type intercooler. Developed into the production 1G-GTEU engine.

1,988cc EFI TWINCAM TURBO/ 24 VALVE/ 6 CYLINDER
JDM Specifications185 PS / 6,200 rpm (JIS net)24.0 kg-m / 3,200 rpm (JIS net)

75.0 mm bore x 75.00 mm stroke
8.5:1 Compression Ratio
Twin Turbo Gasoline Engine
Air-Water Intercooler
Pent-roof Combustion Chambers
TCCS (Toyota Computer Controlled System)
ESA (Electronic Spark Advance) Distributor
DRD (Diode Rotor Distribution)
Twin-Sensor Knock Control System
Electronic Fuel Injection (EFI-L)
T-VIS (Toyota Variable Induction System)
High Performance Twin Cam

LASREα EXPERIMENTAL 1G TWINCAM 24 TWIN TURBO (1983)

LASREα EXPERIMENTAL 2S TWINCAM 16
2S-ELU engine used as basis and fitted with a Twin Cam 16-Valve mechanism. Boasting top-level performance among engines in the 4-cylinder, 2-liter class. Developed into the production 3S-GELU engine.

1,998cc EFI TWINCAM/ 16 VALVE/ 4 CYLINDER
JDM Specifications160 PS / 6,400 rpm (JIS gross)19.0 kg-m / 4,800 rpm (JIS gross)

9.2:1 Compression Ratio
Naturally Aspirated Gasoline Engine
Pent-roof Combustion Chambers
TCCS (Toyota Computer Controlled System)
Electronic Fuel Injection (EFI-L)
T-VIS (Toyota Variable Induction System)
High Performance Twin Cam

LASREα EXPERIMENTAL 2S TWINCAM 16 (1983)

LASREα EXPERIMENTAL II

"Toyota Super & Turbo Charger"
3S Engine used as basis. Roots-type supercharger supplies boost at lower revs and a turbocharger takes over at higher engine speeds. "Electronic Throttle Control" system uses a microcomputer to determine the optimum throttle opening for different accelerator inputs. Debuted at the 1985 Tokyo Motor Show in the Toyota FXV.

1,998cc EFI TWINCAM/ 16 VALVE/ 4 CYLINDER
JDM Specifications230PS / 6,400 rpm (JIS net)30.0 kg-m / 4,000 rpm (JIS net)

86.0 mm bore x 86.00 mm stroke
Turbocharged & Supercharged Gasoline Engine
Air-Water Intercooler
TCCS (Toyota Computer Controlled System)
Partial Lean-Burn System with Divided Intake Helical Swirl Ports
Magnesium Fiber Reinforced Metal Pistons
Electronic Fuel Injection with 8 Fuel Injectors
Karman Vortex Air Flow Meter
DLI (Distributorless Ignition System)
Electronic Throttle Control
High Performance Twin Cam

LASREα EXPERIMENTAL II from 1985 Toyota FXV

LASREα EXPERIMENTAL DI DIESEL TURBO 1.1

Generates 50 PS per liter of displacement. Debuted at the 1985 Tokyo Motor Show in the Toyota AXV Experimental Vehicle.

1.1L OHC/ 6 VALVE/ 3 CYLINDER
JDM Specifications56PS / 4,500 rpm (JIS net)10.3 kg-m / 2,500 rpm (JIS net)

Turbocharged Diesel Engine
Direct Injection System
FRM Pistons (Fiber Reinforced Metal)
Resin Surge Tank
Anti-Vibration & Noise Damping Systems
CVT (Continously Variable Transmission)

LASREα EXPERIMENTAL DI DIESEL TURBO 1.1 from 1985 Toyota AXV Experimental Vehicle

LASREα EXPERIMENTAL 3S TWINCAM16 TURBO

3S-GELU Engine used as basis. Developed into the production 3S-GTE engine. Debuted at the 1985 Tokyo Motor Show in the Open Air 4WD Sport Celica GT-FOUR.

1,998cc EFI TWINCAM/ 16 VALVE/ 4 CYLINDER
JDM Specifications185 PS / 6,000 rpm (JIS net)24.5 kg-m / 4,000 rpm (JIS net)

86.0 mm bore x 86.0 mm stroke
8.5:1 Compression Ratio
Turbocharged Gasoline Engine
Air-Water Intercooler
Pent-roof Combustion Chambers
Electronic Fuel Injection (EFI-L)
T-VIS (Toyota Variable Induction System)
High Performance Twin Cam

LASREα EXPERIMENTAL 3S TWINCAM16 TURBO from 1985 Open Air 4WD Sport Celica GT-FOUR

LASREα EXPERIMENTAL 6M TWINCAM 24 TURBO
6M engine used as basis. Developed into the production 7M-GTEU engine.

2,954cc EFI TWINCAM/ 24 VALVE/ 6 CYLINDER
JDM Specifications230 PS / 5,600 rpm (JIS net)33.0 kg-m / 4,000 rpm (JIS net)

83.0 mm bore x 91.0 mm stroke
8.4:1 Compression Ratio
Turbocharged Gasoline Engine
Air-Air Intercooler
Pent-roof Combustion Chambers
Electronic Fuel Injection (EFI-D "New")
Karman Vortex Air Flow Meter
DLI (Distributorless Ignition)
Twin-Sensor Knock Control System
High Performance Twin Cam

LASREα EXPERIMENTAL 6M TWINCAM 24 TURBO (1985)

LASREα EXPERIMENTAL 4A TWINCAM 16 SUPER CHARGER
4A-GELU engine used as basis with Toyota SC12 Roots-Type Supercharger and air-air intercooler. Developed into the production 4A-GZELU engine.

1,587cc SUPERCHARGER/ TWINCAM/ 16 VALVE/ 4 CYLINDER
JDM Specifications145 PS / 6,400 rpm (JIS net)19.0 kg-m / 4,400 rpm (JIS net)

81.0 mm bore x 77.0 mm stroke
8.0:1 Compression Ratio
Supercharged Gasoline Engine with Computer-Controlled Electromagnetic Clutch
Air-Air Intercooler
Electronic Fuel Injection (EFI-L)
TCCS (Toyota Computer Controlled System)
High Performance Twin Cam
Regular Gasoline

LASREα EXPERIMENTAL 4A TWINCAM 16 SUPER CHARGER (1985)

LASREα EXPERIMENTAL V8 FOURCAM 32VALVE
Debuted at the 1987 Tokyo Motor Show in the Toyota FXV-II Future Experimental Vehicle. Further developed into the production 1UZ-FE engine.

3.8 liter EFI DOHC/ 32 VALVE/ V8 CYLINDER
235 PS / 5,600 rpm (JIS net)33.0 kg-m / 4,000 rpm (JIS net)

TCCS Experimental (Toyota Computer Controlled System)
Four Camshaft, 90 degree V8
Naturally Aspirated Gasoline Engine
New Toyota Variable Intake System
Electronic Twin Throttles
Electronic Fuel Injection
Cast Aluminum Cylinder Block
"High-Mecha" Twin Cam
Active Engine Mount

LASREα EXPERIMENTAL V8 FOURCAM 32VALVE from 1987 Toyota FXV-II Future Experimental Vehicle

LASREα EXPERIMENTAL V8 FOURCAM 40
1UZ-FE engine used as basis. Debuted at the 1989 Frankfurt Auto Show in the Toyota 4500GT Experimental Vehicle.

4,468 cc EFI DOHC/ 40 VALVE/ V8 CYLINDER
JDM Specifications300 PS / 6,600 rpm (JIS net)39.0 kg-m / 4,800 rpm (JIS net)

10.0:1 Compression Ratio
Four Camshaft V8
5 Valves per Cylinder
Naturally Aspirated Gasoline Engine
Electronic Fuel Injection
"High-Mecha" Twin Cam
Computer-Controlled Titanium Exhaust System
Premium Gasoline

LASREα EXPERIMENTAL V8 FOURCAM 40 from 1989 Toyota 4500GT Experimental Vehicle

LASREα EXPERIMENTAL V6 FOURCAM 24
Debuted at the 1991 Tokyo Motor Show in the Toyota AXV-III Experimental Vehicle. New lean-burn engine with continuous valve timing to improve fuel economy and reduce NOx emissions using swirl ports with Swirl Control Valves and combustion pressure sensors to achieve both smooth combustion in the lean range and reduced fuel consumption.

... liter EFI DOHC/ 24 VALVE/ V6 CYLINDER
... PS / ... rpm (JIS net)... kg-m / ... rpm (JIS net)

Lean-Burn Engine
Four Camshaft V6
4 Valves per Cylinder
Naturally Aspirated Gasoline Engine
Continuously Variable Valve Timing
Swirl Ports with Swirl Control Valves
Combustion Pressure Sensors
NOx-Reduction Catalyst

LASREα EXPERIMENTAL V6 FOURCAM 24 from 1991 Toyota AXV-III Experimental Vehicle

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