General Motors 122 engine
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General Motors 122 engine | |
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GM Atlas engine (Trucks) |
The 122 engine was designed by
For the
Generation I
1.8
L46
The 1.8 L pushrod engine was the first engine to power the J-body cars. Introduced with the models in 1982, the 1.8 used a two-barrel Rochester carburetor and produced 88 hp (66 kW) and 100 lb⋅ft (140 N⋅m) of torque. Since peak output came on at higher RPM, acceleration in these cars was quite sluggish, with a test 1982 Pontiac J2000 accelerating from 0–60 mph (0–97 km/h) in 16.3 seconds, with a 1⁄4 mile (402 m) time of 20.6 seconds.
Applications:
- 1982 Buick Skyhawk
- 1982 Cadillac Cimarron
- 1982 Chevrolet Cavalier
- 1982 Oldsmobile Firenza
- 1982 Pontiac J2000
2.0
LQ5
A stroked version of the 1.8 L engine, displacing 2.0 L, was introduced midway through 1982, to provide more low-end power for the J-cars. This engine replaced the 1.8 L engine altogether and had
Applications:
- 1983–1986 Buick Skyhawk
- 1983–1986 Cadillac Cimarron
- 1983–1986 Chevrolet Cavalier
- 1983–1986 Oldsmobile Firenza
- 1983–1985 Pontiac J2000/2000/Sunbird
LQ2
This engine was similar to the LQ5, except that it used a two-barrel
Applications:
- 1982–1985 Chevrolet S-10 and GMC S-15
- 1982–1985 Chevrolet S-10 Blazer and GMC S-15 Jimmy
Generation II
2.0
LL8
This engine replaced the LQ5 and was used from 1987 until 1989. It featured throttle-body fuel injection and produced 90 hp (67 kW) and 108 lb⋅ft (146 N⋅m) of torque.
Applications:
- 1987–1989 Buick Skyhawk
- 1987–1989 Chevrolet Beretta
- 1987–1989 Chevrolet Cavalier
- 1987–1989 Chevrolet Corsica
- 1987–1988 Oldsmobile Firenza
- 1987–1989 Pontiac Tempest
2.2
LM3
For the 1990 model year, GM replaced the 2.0 L engine with a stroked version displacing 2.2 L and using
Applications:
- 1990–1991 Chevrolet Beretta
- 1990–1991 Chevrolet Cavalier
- 1990–1991 Chevrolet Corsica
- 1990–1991 Pontiac Tempest
LN2
For 1992, the 2.2 received
For 1998, the engine was revised for emissions regulations and became known as the 2200. This revision lowered power to 115 hp (86 kW) at 5000 rpm, and torque to 135 lb⋅ft (183 N⋅m) at 3600 rpm. The engine was discontinued in 2003, replaced by the 2.2 L DOHC
Applications:
- 1993–1996 Buick Century
- 1992–1996 Chevrolet Beretta
- 1992–2002 Chevrolet Cavalier
- 1992–1996 Chevrolet Corsica
- 1993 Chevrolet Lumina
- 1994–1997, 2003 Chevrolet S-10, GMC Sonoma, and Isuzu Hombre
- 1993–1994 Grumman LLV
- 1993–1996 Oldsmobile Cutlass Ciera
- 1995–2002 Pontiac Sunfire
L43
The Vortec 2200 (RPO code L43) is an OHV
Applications:
References
- ^ "2003 Truck Engines". General Motors. Retrieved 16 April 2014.
- ^ "Vortec 2200 2.2L L4 (LN2) Truck Engine, 2003 model year" (doc). General Motors. Retrieved 16 April 2014.