Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1987BRONCO II 4WD V6-177 2.9LREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINESYSTEM SPECIFICATIONSGENERAL ENGINE SPECIFICATIONS
1987 Ford Bronco II 4WD V6-177 2.9L
General Engine Specifications
1987 Ford Bronco II 4WD V6-177 2.9LSECTION General Engine Specifications
| Bore | 3.66 Inch (in) |
| Stroke | 2.83 Inch (in) |
| Compression Ratio | 9.3 |
| Horsepower @ RPM | 140 at 4600 Horsepower At RPM (hp @ rpm) |
| Torque @ RPM | 170 at 2600 Pound Foot At RPM (ft.lb @ rpm) |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.