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Engine Identification: Notes

NOTE: For engine repair procedures not covered in this article, see ENGINE OVERHAUL PROCEDURES - GENERAL INFORMATION article in the GENERAL INFORMATION section.

Engine may be identified from the Vehicle Identification Number (VIN) stamped on a metal tab located on top of instrument panel at lower left of windshield. VIN number code also appears as part of a production or unit number stamped on pad on left front of engine, below cylinder head on all models except Oldsmobile. On Oldsmobile models, a code tape is found on front of left side valve cover. The VIN number contains 17 digits. The 8th digit identifies the engine and the 10th digit establishes the model year.

ENGINE IDENTIFICATION CODES

Application Engine Code VIN Code
5.7L (350") V8 Diesel LF9 N
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