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.
2021 Ford GTFACTORY OEM SERVICE PROCEDURE
Engine Mechanical: Mechanical: Engine: Specifications: Engine
| Item | Specification |
|---|---|
| Displacement | 3.5L Ecoboost (214 CID) |
| No. of cylinders | 6 |
| Bore/stroke | 92.51/86.7 mm (3.413/3.642 in) |
| Firing order | 1-4-2-5-3-6 |
| Spark plug | 12405 - Motorcraft SP-542 |
| Spark plug gap | 0.8 mm (0.031 in) |
| Compression ratio | 9.0:1 |
| Engine weight (without accessory drive components) | 433.0 lb (196.4 kg) |
Factory Service Tools
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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.
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