Pontiac Gasoline Straight-4 Iron Duke engines DIY maintenance and service manuals

Engines

Pontiac Gasoline Straight-4 Iron Duke Tech IV (Van) 1985-1986 engine

It's an 151 in³ (2.47 L) internal combustion reciprocating Inline 4 engine. It has bore/stroke ratio of 4 in × 3 in (10.16 cm × 7.62 cm), and uses 9:1 compression. This engine was rated 92 hp (68.6 kW) at 4400 rpm and 134 lbf⋅ft (181.68 N⋅m) of torque at 2800 rpm.
Pontiac Gasoline Straight-4 Iron Duke Tech IV (Van) 1987-1990 engine

It's an 151 in³ (2.47 L) internal combustion reciprocating Inline 4 engine. It has bore/stroke ratio of 4 in × 3 in (10.16 cm × 7.62 cm), and uses 9:1 compression. This engine was rated 96 hp (71.59 kW) at 4400 rpm and 135 lbf⋅ft (183.04 N⋅m) of torque at 3200 rpm.

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