| Honda HR35TT engine Acura AR35TT engine | |
|---|---|
| [1] | |
| Overview | |
| Manufacturer | Honda Performance Development |
| Production | 2014– |
| Layout | |
| Configuration | V6,twin-turbocharged, 60° cylinder angle |
| Displacement | 3.5 L (3,500 cc) |
| Cylinder bore | 89 mm (3.50 in) |
| Piston stroke | 93 mm (3.66 in) |
| Cylinder block material | Aluminium |
| Cylinder head material | Aluminium |
| Valvetrain | 24-valve (four-valves per cylinder),SOHC |
| Compression ratio | 11.5:1 |
| Combustion | |
| Fuel system | Gasoline direct injection |
| Management | HPD/McLaren |
| Fuel type | VP Racing Fuels E10 100-101 octane gasoline + 10% ethanol |
| Oil system | Dry sump |
| Cooling system | mechanically water cooled |
| Output | |
| Power output | 600 hp (447 kW; 608 PS) @ 8,500 rpm |
| Torque output | 500 lb⋅ft (678 N⋅m) @ 6,000 rpm |
| Chronology | |
| Predecessor | Honda HR28TT |
| Successor | Acura AR24e |
TheHonda HR35TT engine (also called theAcura AR35TT) is atwin-turbocharged,four-stroke, 3.5-liter,V6racingengine, designed and produced byHonda Performance Development (HPD) for use in multiplerace cars, from 2014.
The HR35TT, like its predecessorHR28TT, is derived from the productionJ35 family of engines found in numerousHonda/Acura production vehicles.[2] It features steel crankshaft and rods, dry sump oiling,direct fuel injection andHPD/McLaren engine management.[3] The HR35TT is designed to produce roughly 600 hp (450 kW) at 8,500rpm and 500 lb⋅ft (680 N⋅m) at 6,000 rpm.[4] The engine made its debut at the2014 12 Hours of Sebring in aStarworks Motorsport-runRiley MkXXVI.[5] When it was used in theAcura ARX-05, it was dubbed the AR35TT.[6]
