HQ model designations

Designation

Model

80337

Monaro coupe L6

80437

Monaro coupe V8

81137

Monaro LS Coupe L6

81237

Monaro LS Coupe V8

80837

Monaro GTS

81837

Monaro GTS 350

80469

Kingswood sedan V8 + XV4            GTS 4 Door 253 / 308 V8

80469

Kingswood sedan V8 + XW8           GTS 4 Door 350 V8

 

HQ Engines

Engine designation

Capacity - cubic inches

Compression ratio

Power - brake horsepower

QD

173

9.4:1

118

QL

202

9.4:1

135

QR

253

9.0:1

185

QT

308

9.0:1

240

QU

350

8.5:1

275 - from 1971 to 1973

QU

350

8.5:1

250 - from 1973