mi16 spec
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Engine layout
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Engine code
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D6C (XU9J4)
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Cilinders
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4
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Layout
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inline 4, angled 30º towards exhaust side
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Valves per cilinder
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4
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Capacity
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1905cc (=XU9)
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Bore
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83mm
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Stroke
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88mm
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Compression ratio:
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10.4 : 1
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Crankshaft rotation direction
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clockwise (viewed from distribution side)
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Number 1 cilinder location
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transmission side
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Weights
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Engine weight (dry, no flywheel)
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112.6kg
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Engine weight (dry, with flywheel)
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121.6kg
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Engine weight (dry, with flywheel, alternator & starter)
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132.7kg
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Inertia
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Internal moving parts (crankshaft, conrods & pistons)
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MD² = 0.148kgm²
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Flywheel
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MD² = 0.372kgm²
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Lubrication system
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Oil capacity (including filter)
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5.3 liters
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Oil type (recommended)
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SAE 10W40 or 15W40 (to API SG/CD standard) |
| Oil renewal interval | 10000km |
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Oil pressure (at 90deg Celcius)
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4.1 bar @4000rpm
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| Oil pressure (at 120deg Celcius) | 1.8 bar @1000rpm |
| Oil pressure (at 120deg Celcius) | 5.5 bar @6500rpm |
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Oil pressure warning switch treshold
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0.8 bar
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| Oil filter by-pass treshold | 1.2 bar |
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Oil filter type
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Champion F104 (or similar)
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| Maximum oil temp during use (continuous) | 140 ºC |
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Maximum oil temp during use (intermittent)
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150 ºC
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Oil pump type
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Gear-type, chain-driven off distribution side
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| Engine speed [RPM] | 1500 | 1800 | 2500 | 3000 | 3600 | 4000 | 4500 | 5000 | 6500 |
| Oil pump flow [liters/min] | 8.2 | 9.9 | 11.6 | 12.1 | 12.5 | 13.2 | 13.8 | 14.4 | 16.1 |
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Cooling system
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Coolant capacity (complete system)
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approx. 7 litres
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Coolant capacity (engine only)
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4.8 litres
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Coolant type
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Ethylene glycol-based antifreeze
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Maximum system pressure
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1 bar
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Thermostat starts to open
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88 ºC
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Thermostat fully open
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100 ºC
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Coolant temp warning switch treshold
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110 ºC
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| Engine speed [RPM] | 1500 | 1800 | 2500 | 3000 | 3600 | 4000 | 4500 | 5000 | 6500 |
| Water pump RPM |
Engine RPM x 1.05
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| Water pump flow [liters/hour] | 2570 | 3080 | 4460 | 5350 | 6420 | 7140 | 7740 | 8600 | 11110 |
[Picture: XU9J4 Engine section view, shown with 405Mi16 factory exhaust header]
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Fuel system
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System type
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Bosch M1.3 or ML4.1 Motronic, multi-point
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ECU
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0-261-200-119 |
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Fuel pump type
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Electric, externally
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Fuel pump
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Bosch 0-580-464-038
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Fuel regulated pressure
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3.0 +/-0.2 bars at idle
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Fuel injectors
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Bosch 0-280-250-762 (high impedance) |
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– rating: 214cc/min @ 3.0 bars
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Fuel type (recommended)
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98 RON leaded
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Air Flow Meter
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Bosch 0-280-202-202
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Ignition system
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System type
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Integral with distributor, controlled bij ECU
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Firing order
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1-3-4-2
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Timing
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Ecu controlled
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Ignition coil
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Ducellier BTR 02
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Ignition module
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Bosch MTR 01
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Spark plugs
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Champion RC7BMC (or similar)
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Ignition HT coil resistances
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Prim. 0.7 ohms, Sec. 6.6 K ohms (approx.)
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Ignition HT lead resistance
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Approx. 600 ohms per 100mm length
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Impulse generator resistance
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300 ohms
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Starter motor
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(values obtained with 42Ah battery)
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Average Power
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0.85kW (1.15ps)
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Current used at that power
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190 A
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| Blocking Torque | 9.8Nm (0.99kgm) |
| Current used at that torque | 330 A |
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RPM to start engine at -15 ºC
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165rpm
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Alternator
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Type
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tri-phase with integrated regulator
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Nominal power
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1250W @1100rpm
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| Nominal current | 90 A @1100rpm |
| Pulley ratio | 2.17/4 |
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Air Intake system
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Minimum filtered amount of air
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99.9%
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Vacuum at plenum entrance (new air filter)
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0.039 bar @6500rpm
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Vacuum at plenum entrance (dirty air filter)
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0.055 bar @6500rpm
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Consumed air volume at 20 ºC air temperature:
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| Engine speed [RPM] | 1500 | 1800 | 2500 | 3000 | 3600 | 4000 | 4500 | 5000 | 6500 |
| Air volume [m³/hour] | 77 | 93 | 129 | 154 | 186 | 206 | 231 | 257 | 334 |
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Exhaust system
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Maximum back pressure measured at manifold exit
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0.275 bar @6500rpm
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Exhaust gas temperatures measured at full throttle:
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| Engine speed [RPM] | 1500 | 1800 | 2500 | 3000 | 3600 | 4000 | 4500 | 5000 | 6500 |
| Exhaust gas temp [ºC] | 466 | 517 | 606 | 658 | 698 | 718 | 747 | 771 | 862 |
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Performance
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(factory flywheel figures) |
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Max. Power (HP)
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160ps (117.8kW) @6500rpm
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Max. Torque (Nm)
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180Nm (18.4 kgm) @5000rpm
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Minimum engine speed
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850rpm
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Maximum engine speed
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6700rpm
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Detailed performance figures:
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| Engine speed [RPM] | 1500 | 1800 | 2500 | 3000 | 3600 | 4000 | 4500 | 5000 | 6500 |
| Power [kW] | 20.4 | 25.6 | 41.2 | 51.4 | 56.3 | 68.3 | 79.6 | 93.8 | 117.8 |
| Power [ps] | 27.7 | 34.8 | 56 | 69.8 | 76.5 | 92.8 | 108.1 | 127.5 | 160 |
| Torque [Nm] | 130 | 137 | 157 | 163 | 157 | 163 | 169 | 180 | 173 |
| Torque [kgm] | 13.2 | 13.9 | 16 | 16.6 | 16 | 16.6 | 17.3 | 18.4 | 17.6 |
| Effective pressure [bar] | 8.56 | 8.96 | 10.38 | 10.78 | 9.85 | 10.75 | 11.13 | 11.82 | 11.41 |
| Effective pressure [kg/cm²] | 8.7 | 9.1 | 10.6 | 11 | 10 | 11 | 11.3 | 12 | 11.6 |
| Specific fuel consumptions (for fuels with 10070 kCal/kg (98 RON – MON 87.8)): | |||||||||
| full throttle [g/kWh] | 264 | 263 | 257 | 241 | 245 | 248 | 258 | 262 | 264 |
| 3/4 throttle [g/kWh] | 268 | 267 | 241 | 230 | 233 | 236 | 253 | 264 | 281 |
| 1/2 throttle [g/kWh] | 294 | 295 | 263 | 250 | 253 | 258 | 267 | 282 | 314 |
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Thermal figures
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Explanation of thermal losses in the engine:
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Engine speed [RPM]
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1500
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1800
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2500
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3000
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3600
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4000
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4500
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5000
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6500
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Energy losses through cooling system:
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full throttle [kCal/kW/h]
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775
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683
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647
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587
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572
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582
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556
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586
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771
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3/4 throttle [kCal/kW/h]
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787
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694
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607
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560
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544
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554
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539
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590
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821
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1/2 throttle [kCal/kW/h]
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863
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766
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662
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609
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591
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605
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575
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630
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917
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Energy losses through exhaust gasses:
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full throttle [kCal/kW/h]
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866
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946
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928
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833
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881
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906
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1026
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1041
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872
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3/4 throttle [kCal/kW/h]
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879
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961
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871
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795
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838
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862
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1009
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1049
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927
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1/2 throttle [kCal/kW/h]
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965
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1061
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950
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864
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910
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942
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1064
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1120
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1036
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Energy losses through engine block conduction and radiation:
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full throttle [kCal/kW/h]
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93
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93
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91
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85
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86
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87
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91
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92
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93
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3/4 throttle [kCal/kW/h]
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94
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94
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85
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81
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82
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83
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89
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93
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99
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1/2 throttle [kCal/kW/h]
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104
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104
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93
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88
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89
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91
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94
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99
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111
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Energy losses through oil system:
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full throttle [kCal/kW/h]
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64
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66
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62
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62
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67
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62
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62
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60
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64
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3/4 throttle [kCal/kW/h]
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65
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67
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58
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59
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64
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59
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61
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60
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68
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1/2 throttle [kCal/kW/h]
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71
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74
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64
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64
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69
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65
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65
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64
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76
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Sources:
Great specs of this MI16 machine. Now i finally know what to expect from my temperature sensors