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Home >> Oldsmobile >> 1966 >> Dynamic Base, Eng CD M, Not Available Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Identification >> 1972 Engines >> Engine Unit Number
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Engine Unit Number

Code letters are shown on code tape which is installed directly above engine unit number on engine oil filler tube.

Engine Code Displ. & Carb. Comp. Ratio
QA, QB, QC, 350" V8 2-Bbl. 8.1-1
QN, QO QD, QE, QJ 350" V8 4-Bbl. 8.1-1
QK, QP, QQ UA, UB, US, UT 455" V8 4-Bbl. 8.1-1
UL, UN, UO 455" V8 (W-30) 8.1-1
UD, UE, UU, UV 455" V8 (1) 8.1-1
(1) Toronado & 442