Explore relationships

Pontiac V8 engine

Reciprocating internal combustion engine Pontiac V8 engine1965 Pontiac GTO Tri-Power 389 Trophy V8OverviewManufacturerPontiac (General Motors)Also calledStrato StreakProduction1955–1981 Pontiac Assembly(engine block and heads)Saginaw Metal Casting OperationsLayoutConfiguration90° V8Displacement265 cu in (4.3 L)287 cu in (4.7 L)301 cu in (4.9 L)303 cu in (5.0 L)317 cu in (5.2 L)326 cu in (5.3 L)347 cu in (5.7 L)350 cu in (5.7 L)370 cu in (6.1 L)389 cu in (6.4 L)400 cu in (6.6 L)421 cu in (6.9 L)428 cu in (7.0 L)455 cu in (7.5 L)Cylinder bore3.72 in (94.5 mm)3+3⁄4 in (95.3 mm)3.78 in (96 mm)3+7⁄8 in (98.4 mm)3.9375 in (100.01 mm)4 in (101.6 mm)4+1⁄16 in (103.2 mm)4+3⁄32 in (104 mm)4.121 in (104.7 mm)4.1525 in (105.47 mm)4.342 in (110.3 mm)Piston stroke2.84 in (72.1 mm)3 in (76.2 mm)3+1⁄4 in (82.6 mm)3.5625 in (90.49 mm)Cylinder block materialCast ironCylinder head materialCast ironValvetrainOHV 2 valves per cyl.Compression ratio7.9:1, 8.0:1, 8.4:1, 8.5:1, 8.6:1, 8.9:1, 10.0:1, 10.25:1, 10.5:1, 10.75:1, 11.0:1RPM rangeMax.

Use + to expand a branch. Click a topic name to open its summary.