Lotus Type 918, V8 (90o) cyl, 4 stroke, petrol engine. Click here and here
3506cc, 83.0 x 81.0 mm
550bhp @ 5400rpm
536lb ft (726 NM) @ 3600rpm
flat plane crankshaft with 5 main bearings
LM25TF aluminium alloy 'open deck' block, aluminium alloy head. Keronite coated, forged aluminium alloy pistons
2 x 2 overhead camshafts (DOHC), chain driven for middle gear, and belt driven for each bank, 4 valves / cyl - 32 valves total. 33.5mm inlet valves diameter, 30mm exhaust valves diameter
aspiration, 2 x Garrett T4 turbochargers with air/air intercooler with water injection, multipoint electronic fuel injection
GT1: 2 x 31.5mm inlet restrictors
SR1: 2 x 32.4mm inlet restrictors
electronic ignition with 4 double-ended coils
The RH bank is staggered ahead of the LH bank and contains cylinders 1,2,3,4 with cylinders 5,6,7,8 designated as the LH bank,.counting from the front in both cases.
Firing order is 1,5,3,7,4,8,2,6
dry sump
Lotus Type 918
page revision: 8, last edited: 12 Feb 2018 20:13