Designation

Model

80337

Monaro coupe L6

80437

Monaro coupe V8

80737

Monaro GTS Coupe L6

80837

Monaro GTS Coupe L8

81837

Monaro GTS 350 Coupe

Engine designation

Capacity - cubic inches

Compression ratio

Power - brake horsepower

161H

161

9.2:1

114

186P

186

9.2:1

130

186S

186

9.2:1

145

253H

253

9.0:1

185

307

307

8.75:1

210

308H

308

9.0:1

240

350M

350

10.25:1

300

350A

350

9.0:1

275