Engine Identification

V8 Engines can be identified by a code tape, containing engine code letters, installed directly above the engine unit number on the oil fill tube. For further information, see MODEL IDENTIFICATION .

Engine & Model

Synchro-mesh

Auto. Trans.

350" 2-Bbl.

(Exc. Delta 88)

QA, ⁽¹⁾ QJ

Delta 88

TD, ⁽¹⁾ TC

350" 4-Bbl.

QB, ⁽²⁾ QO

QN, ⁽¹⁾ QP

455" 2-Bbl.

(Exc. Vista Cruiser)

UC, ⁽¹⁾ UD

Vista Cruiser

TY, ⁽¹⁾ TX

455" 4-Bbl.

Cutlass Supreme

TQ, ⁽¹⁾ TP

422

TU, ⁽³⁾ TN

TW, ⁽¹⁾ TV, ⁽²⁾ TA

Delta 88, 98 & Custom Cruiser

UN, ⁽¹⁾ UO

Toronado

US, ⁽¹⁾ UT

455" 4-Bbl.

With Air Induction

442

TS, ⁽³⁾ TB

TT, ⁽¹⁾ TL

⁽¹⁾	With Air Conditioning.

⁽²⁾	Four Speed Synchro-mesh.

⁽³⁾	Two Plate Clutch.