Starting with the four cylinder rebuilt Chevrolet engines, to the full line of General Motors engines here is a fairly complete list of engines from the Iron duke 4 cylinder engine to the Vortec 5000 L30 is a V8 truck engine. Lets get started..
Four Cylinders
2200 (2.2L)
The Vortec 2200 is a OHV straight-4 truck engine. It is entirely different from the Iron Duke. The 2200 uses an iron block and aluminum 2-valve pushrod cylinder head. Output is 120 hp. Displacement is 2.2 L (2189 cc). 2200s were built in Tonawanda, New York.
2800 (2.8L)
The Vortec 2800, or LK5, is a DOHC 2.8 L straight-4 in the GM Atlas engine family. It produces 175 hp and 185 ft·lb of torque. The Vortec 2800 is standard equipment on the Chevrolet Colorado and GMC Canyon. It is mated to either a 5-speed manual transmission built by A/W, or a GM 4-speed Hydra-Matic automatic transmission.
2900 (2.9L)
The Vortec 2900, or LLV, is a DOHC 2.9 L straight-4 in the GM Atlas engine family. Displacement is increased from the Vortec 2800 it replaces to produce 185 hp. First used in the 2007 Chevy Colorado, 2007 GMC Canyon, and 2007 Isuzu i-290.
Five cylinders
3500 (3.5L)
The Vortec 3500, or L52, is a DOHC 3.5 L straight-5 in the GM Atlas engine family. It produces 220 hp. The Vortec 3500 is optional on Chevy Colorado / GMC Canyon regular and extended cab trucks. It is standard on the Crew Cab Colorado/Canyon, and the Hummer H3.
3700 (3.7L)
The Vortec 3700, or LLR, is a DOHC 3.7 L straight-5 in the GM Atlas engine family. Introduced in 2007, the engine has increased in displacement from 3.5 L in the Vortec 3500 to 3.7 L, producing 242 hp. This engine is only offered with the HydraMatic 4L60e automatic transmission in the Chevrolet Colorado, GMC Canyon, Hummer H3, and Isuzu i-370 trucks.
Six cylinders
4200 (4.2L Straight 6)
The Vortec 4200, or Atlas LL8, is a 4.2 L straight-6 in the GM Atlas engine family. It has four valves per cylinder and is a double-overhead cam (DOHC) design. Introduced in 2002 for the Chevrolet TrailBlazer, GMC Envoy, and Oldsmobile Bravada, the engine is also in use in the Buick Rainier, Saab 9-7, and the Isuzu Ascender. The Vortec I6 engine was on the Ward’s 10 Best Engines list every year since its introduction in 2002 through 2005.
4300 (4.3L)
The Vortec 4300 is a 90° V6 truck engine, replacing the Chevrolet 250 in light trucks and 200/229 90 degree V6s in passenger cars (the 200 and 229 were known as the V6-90, both were shortened versions of the Small Block Chevrolet). It is based on the 350 (5.7 L) Chevrolet small-block V8.
The engine first appeared in 1985 with the throttle-body injected LB4 in passenger cars (light trucks and vans had carburetors until 1987). In 1991, the limited-edition GMC Cyclone featured a 280 hp and 360 ft·lb turbocharged/intercooled LB4 with the first use of multi-port fuel injection on a Vortec V6.
The central-port injected L35 (Vin ‘W’) debuted in 1992 (where the cylinder block was modified – with the incorporation of a balance shaft), with better breathing for 200 hp. Another CPI engine, the LF6, joined the rest in 1996, while the LB4 was retired after 1998. In 2002, GM introduced a new multi-port injected LU3 engine, and a LG3 variant appeared soon after. This engines origins date back to 1955, when the original Chevy small-block V-8 was introduced.
All Vortec 4300s use a cast iron block and heads and 101.60 mm (4.000″) bore and 88.39 mm (3.48″) stroke (bore and stroke dimensions the same as a 350). Connecting rods still measure 5.7″ although the rod journal diameter is 2.25″. 1992-present cylinder blocks used a different timing cover since these engines used a balance shaft (some 1992 production cylinder blocks for the LB4 with TBI induction used the ‘traditional’ front timing chain cover from the small block Chevrolet). They are OHV engines with two valves per cylinder and are produced in Tonawanda, New York and Romulus, Michigan. Power output of the new LU3/LG3 engines is 180-200 hp (134-150 kW) and 245-260 ft·lb (332-353 N·m).
4300 applications:
* 1985-2005 Chevrolet Astro/GMC Safari
* 1991-1993 GMC Syclone/GMC Typhoon
* 1988-1995 Chevrolet Blazer/GMC Jimmy
* 2001-2002 Chevrolet Express/GMC Savana
* 1988-2003 Chevrolet S-10/GMC S-15
* 1994-2001 Oldsmobile Bravada
* 1985-2001 Chevrolet C/K
LU3 applications:
* Chevrolet Astro/GMC Safari (base models)
* Chevrolet Blazer/GMC Jimmy
* Chevrolet Express/GMC Savana (base models)
* Chevrolet S-10/GMC Sonoma
* Chevrolet Silverado/GMC Sierra (base models)
* GMC Envoy
* Isuzu Hombre (optional)
* Oldsmobile Bravada (base model)
LB4 applications:
* 1991 GMC Syclone
* 1992–1993 GMC Typhoon
Eight Cylinder
4800 (4.8L)
- LR4
The Vortec 4800 LR4 is a Generation III small block V8 truck engine. Displacement is 4.8 L. It is the smallest of the Generation III Vortec truck engines and was the replacement for the 5.0 L 5000 L30. The LR4 produces 270-295 hp. LR4s are manufactured at St. Catharines, Ontario and Romulus, Michigan.
LR4 applications:
* 2003-present Chevrolet Express 2500-3500/GMC Savana 2500-3500
* 1999-2007 Chevrolet Silverado/GMC Sierra
* 1999-2006 Chevrolet Tahoe/GMC Yukon
-LY2
The Vortec 4800 LY2 is a Generation IV small block V8 truck engine. Like its LR4 predecessor, it gets its displacement from a 96.01 mm bore and 83 mm stroke. The smallest member of the Generation IV Vortec engine family, it is unique in that it is the only member of that family that does not feature either variable valve timing or Active Fuel Management. It is rated at 295 hp (220 kW) and 305 ft·lb (414 N·m) of torque for all applications.
LY2 applications:
* 2007-present Chevrolet Silverado 1500
* 2007-present Chevrolet Tahoe
* 2007-present GMC Sierra 1500
* 2007-present GMC Yukon
5000 (5.0L)
The Vortec 5000 L30 is a V8 truck engine. Displacement is 5.0 L. It is a based on the Generation I small-block from Chevrolet. It was replaced by the 4.8 L 4800 LR4 for the 2003 full-size vans. In Van configuration it produces 230 Net Flywheel Horsepower at 4,600 rpm and 290 Net Flywheel Torque at 2,800 rpm. The engine uses a hydraulic roller cam and high flowing, fast burn style Vortec heads. Differences include bore and stroke, intake valve size, and smaller combustion chambers. L30 applications:
* Chevrolet Express/GMC Savana
* General Motors C/K full-size trucks
This can be put to good use if you are looking for Chevy engines for sale or Buick engines for sale. If you need further assistance regarding replacement engines , call us @ 1-888-344-8044 and discuss your concerns with a trained engine specialist. Our job is to listen to your needs and outfit you with an engine that is in your best interests. GotEngines.com




