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Home >> Pontiac >> 1981 >> Phoenix Base, 4D Hatchback, 2.8L Eng VIN X, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> Tune-Up >> Tune-Up - 6 CYL >> Engine Identification >> Engine Identification Number Code
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Engine Identification Number Code

Engine code letters are provided on all engines. The 2.8L engine code is on labels attached to both ends of left valve cover. Engine codes on 3.8L (229") engine are stamped into block in front of right cylinder head. Engine codes on 3.8L (231") and 4.1 L engines are stamped on rear flange of block on left side.