| TRD Phase-14 | |
|---|---|
 A Phase-14 pictured in 2013 | |
| Overview | |
| Manufacturer | Toyota Toyota Racing Development |
| Production | 2008–present |
| Layout | |
| Configuration | V8 engine, 90° cylinder angle |
| Displacement | 5.9 L (5,870 cc) |
| Cylinder bore | 106.3 mm (4.2 in) |
| Piston stroke | 82.55 mm (3 in) |
| Cylinder block material | Compacted graphite iron |
| Cylinder head material | Aluminum alloy |
| Valvetrain | 16-valve, OHV, two-valves per cylinder |
| Combustion | |
| Fuel system | Electronic Port Fuel Injection (EFI) |
| Management | MES TAG-400i |
| Fuel type | 260 GTX Unleaded provided by Sunoco (2008–2010; still in use in ARCA) E15 Ethanol provided by Sunoco (2011–present) |
| Oil system | Dry sump |
| Output | |
| Power output | 550-950+ hp (410-708 kW) @ 9,000 rpm (depending on displacement.) |
| Torque output | Approx. 500 lb⋅ft (678 N⋅m) @ 5,000 rpm |
| Dimensions | |
| Dry weight | 525 lb (238 kg) |
| Chronology | |
| Predecessor | TRD Phase-11 (2007–2008) |
The TRD Phase-14 engine is a 5.87-liter, naturally aspirated, V8 racing engine, developed and produced by Toyota with their Toyota Racing Development department for competition in NASCAR; starting in 2008. Across the top 2 series they supply engines to 4 teams, including Joe Gibbs Racing, 23XI Racing, Legacy Motor Club, and Sam Hunt Racing.