5.7L Oldsmobile Diesel Engine Overview
In late 1970’s exactly in October 1973, the automotive world was shocking with oil crisis issue. The oil crisis that happened is due to Arab oil embargo when the members of Organization of Arab Petroleum Exporting Countries or the OAPEC (consisting of the Arab members of OPEC, plus Egypt, Syria and Tunisia) proclaimed an oil embargo. This was in response to the U.S. decision to re-supply the Israeli military during the Yom Kippur war. Then by United state automotive world the response by produce a 5.7L Oldsmobile Diesel engine that built by Oldsmobile. The first appearance of this 5.7L Oldsmobile Diesel Engine is in 1978. Its promising fuel mileage of a compact, the engine proved unreliable & problematic. Coupled with a generation of consumers who were unfamiliar with diesel engines, the engine was removed from production despite majority of the flaws being removed. The 5.7L Oldsmobile Diesel Engine is responsible in part for giving diesel engines a poor reputation & setting a grim image for diesels that would last long into the future. Aftermarket solutions have since proven that the 5.7L can be transformed into a very capable, fuel efficient engine.
5.7L Oldsmobile Diesel Engine Specs
Here they are detailed specs of 5.7L Oldsmobile Diesel Engine
| Specs Item | Specs |
| Engine Type | 5.7L Oldsmobile Diesel |
| Engine Code | LF9 |
| Valvetrain | OHV 4-valve |
| Displacement | 350 cubic inches, 5.7 Liters |
| Transmission Type | Available for manual and auto transmission |
| Compression Ratio | 22.5:1 |
| Bore and Stroke (in.) | 4.057 x 3.385 |
| Cylinder configuration | V-8 |
| Aspiration | naturally aspirated, non-turbo |
| Injection | indirect injection (IDI) |
| Maximum engine speed | 3,700 RPM |
| Horsepower(SAE net@rpm) | 125 HP @ 3,600 RPM |
| Torque (lb. ft. @ rpm) | 225 lb-ft. @ 1,800 RPM |
| Cylinder block material | Iron Cast |
| Cylinder head material | Iron Cast |
| Reputations | Unreliable, poorly designed, problematic. Regardless, the engines do have a following of fans/enthusiasts. |
| Features | It was designed to increase fuel mileage in GM’s product line
|
5.7L Oldsmobile Diesel Engine Applications
This 5.7L Oldsmobile Diesel Engine is use for following applications
- Chevrolet
- Buick
- Pontiac
- Oldsmobile
- Cadillac.
- GMC trucks
- Chevy trucks
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