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Mit_4G63BT Full Specs

buttmit.gif (1654 bytes) Mitsubishi Australia

4G63BT - Starion JA 

 '82 Australian JA Starion 4G63BT Engine COMPLETE Specs

GENERAL

 

No. and arrangement of cylinders.....................................4, in-line, vertical
Combustion chamber type................................................ Hemi-spherical
Valve arrangement...............................................................Overhead valve type
Camshaft arrangement........................................................Single Overhead Camshaft
Total displacement cc (cu.in.)............................................1997cc (121.8 cu in)
Bore x Stroke mm (in.).........................................................85 x 88 (3.35 x 3.46)
Compression ratio...............................................................7.6
Compression press. kPa (kg/c M2, psi)...........................834 (8.5, 12 1) or more at 250 rpm.
Valve timing Inlet valve opened/closed..........................BTDC 2 1 '/ABDC 63'
Exhaust valve opened/closed...........................................BBDC 63o/ATDC 2 1
Firing order..........................................................................1 - 3 - 4 - 2
Valve clearance at hot engine mm (in.).
Exhaust.................................................................................0.15 (0.006)...
Inlet...................................................................................... 0.25 (0.010)
Exhaust Ignition timing at idling speed...........................BTDC 8' @ 2'
Idling speed rpm.................................................................800 50
CO concentration at idling................................................2.5 0.5%

 

TIMING BELT
Type.......................................Cogged type
No. of teeth..........................122
Width mm (in.).....................19 (0.75)
TIMING BELT "B" for SILENT SHAFT DRIVE
Type.......................................Coggedtype
No. of teeth..........................55
Width mm (in.).....................12.7 (0.5)
CRANKSHAFT SPROCKET
Material.................................Ferrous sintered alloy
No. of teeth..........................24
CRANKSHAFT SPROCKET "B"
Material................................Ferrous sintered alloy
No. of teeth..........................32
CAMSHAFT SPROCKET
Material................................Cast iron
No. of teeth..........................48
OIL PUMP SPROCKET
Material................................Ferrous sintered alloy
No. of teeth..........................18
SILENT SHAFT SPROCKET
Material.................................Ferrous sintered alloy
No. of teeth..........................16
ROCKER ARM
Material..............................Aluminium die casting
CAMSHAFT
Driven by.........................................................Cogged type belt
Material............................................................Cast iron, Cam surface chilled
Cam height mm (in.)........................................42.2 (1.661)
Valve lift mm (in.)............................................10 (0.394)
Cam diameter for fuel pump drive mm(in.)....38 (1.496)
Journal diameter mm (in.).................................34 (1.339)
Oil clearance mm (in.).......................................0.05 - 0.09 (0.002 - 0.004)
Identification mark............................................2
CYLINDER HEAD
Material.............................................................Aluminium alloy
Flatness of gasket surface mm (in.)..............Max. 0.1 (0.004)
Valve guide hole diameter mm (in.)
0.05 (0.002) O.S......13.050 - 13.068 (0.5138 - 0.5145)
0.25 (0.01 0) O-S......13.250 - 13.268 (0.5217 - 0.5224)
0.50 (0.020) O.S......13.500 - 13-518 (0-5315 - 0.5322)
Inlet valve seat ring hole diameter mm (in.)
0.3 (0.012) O.S......44.300 - 44.325 (1.7441 - 1.7451)
0.6 (0.024) O.S......44.600 - 44.625 (1.7559 - 1.7569)
Exhaust valve seat ring hole diameter mm(in.)
0.3 (0.012) O.S......38.300 - 38.325 (1-5079 - 1.5089)
0.6 (0.024) O.S......38.600 - 38.625 (1.5197 - 1.5206)
Valve guide installing height mm (in.)............15 (0.591)
INLET VALVE
Material...................................................Special heat resisting steel
Treatment................................................Tufftriding
Valve diameter mm (in.)..........................43 (1.693)
Stem diameter mm (in.)............................8.0 (0.3150)
Clearance (Stem-to-guide) mm (in.).......0.03 - 0.06 (0.0012 - 0.0024)
Margin mm (in.)........................................1.2 (0,047)
Identification mark....................................6
EXHAUST VALVE
Material............................................................Special heat resisting steel, Valve face padded with stellite
Treatment........................................................Tufftriding
Valve diameter mm (in.).................................35 (1.378)
Stem diameter mm (in.)..................................8.0 (0.3150)
Clearance (Stem-to-guide) mm (in.).............0.05 - 0.09 (0.0020 - 0.0035)
Margin mm (in.)..............................................2.0 (0.079)
Identification mark.........................................5S
VALVE SPRING
Free height mm (in.)........................................47.5 (1.870)
Load N (kg,lbs.)/mm(in.).................................275 (28,62)/40.4 (1-591)
Square...............................................................Less than 1.5'
Identification color..........................................Blue

Bottom End

RIGHT SILENT SHAFT
Driven by.................................................Cogged type belt
Material....................................................Steel
Front journal diameter mm (in.).............42 (1-654)
Rear journal diameter mm (in.)...............41 (1.614)
Oil clearance mm (in.)
Front............................0.02 - 0.06 (0.0008 - 0.0024)
Rear.............................0.05 - 0.09 (0.0020 - 0.0035)
LEFT SILENT SHAFT
Driven by...................................................Cogged type belt
Material.......................................................Steel
Front journal diameter mm (in.)...............18.5 (0.728)
Rear journal diameter mm (in.).................41 (1.614)
Oil clearance mm (in.)
Front............................0.02 - 0.05 (0.0008 - 0.0020)
Rear.............................0.05 - 0.09 (0.0020 - 0.0035)
PISTON
Material.............................................................Special aluminium alloy
Type...................................................................Autothermic (Steel strut incorporated)
Diameter (Standard) mm (in.)..........................85.0 (3.346)
Clearance (Piston-to-cylinder) mm (in.).........0.03 - 0.05 (0.0012 - 0.0020)-
Identification mark............................................63T
Pistons for service mm (in.).............................0.25 (0.010),O.50 (0-020) 0.75 (0.030),1.00 (0.040), oversize
PISTON RING
No. of rings per piston............3
Compression.............................2
Oil...............................................1
Compression ring type
No. 1..........................................Barrel type, special cast iron, chrome face
No. 2...........................................Taper type, special cast iron, chrome face
Oil ring type..............................3-piece type, steel rail chrome face
Ring gap mm (in.)
No. 1................0.25 - 0.40 (0.010 - 0.016)
No. 2................0.2 - 0.4 (0.008 - 0.016)
Oil....................0.2 - 0.7 (0-008 - 0.028)
Ring side clearance mm (in.)
No. 1..............0.05 - 0.09 (0.002 - 0.004)
No. 2.............0.02 - 0.06 (0.001 - 0.002)
Identification mark No. 1 and No. 2...........NN
Oil.......................Green paint
Rings for service mm (in.)..0.25 (0.010),O.50 (0.020), 0.75 (0.030),1.00 (0.040), oversize
CONNECTING ROD
Length (Center to center) mm (in.).....150 (5.906)
CRANKSHAFT
Material..................................Steel Treatment.................................Gas-carbonitriding
Main bearing journal diameter mm (in.).....................................................57 (2.244)
Connecting rod journal diameter mm (in.).................................................45 (1.772)
Maximum allowable out-of-round and/or taper of journal mm (in.)........0.01 (0.0004)
Oil clearance mm (in.) Main bearing journal...............................................0.02 - 0.05 (0.0008 - 0.0020)
Connecting rod journal..................................................................................0.02 - 0.05 (0.0008 - 0.0020)
Thrust taken by...........................No. 3 main bearing
End play mm (in.).........................0.05 - 0.18 (0.0020 - 0.0071)
Bearings for service available in standard size
and following undersize mm (in.).....0.25 (0.010),O.50 (0.020),O.75 (0.030)
CYLINDER BLOCK
Material...............................................................................................Cast iron
Water jacket........................................................................................Siamese type
Cylinder bore mm (in.)........................................................................85.0 (3.346)
Out-of-round and taper mm (in.).......................................................Less than 0.02 (0.0008)
Maximum allowable oversize (Cylinder bore) mm (in.) ..................1.00 (0.039)
OIL PUMP
Type.........................................Gear Driven by....................................Cogged type belt
Oil pressure at idle kPa (kg/cM2.psi)................................................78 (0.8, 1 1) or more
OIL FILTER
Type....................................................................................Cartridge, Full flow .
Size (Diameter x Length) mm (in.)...................................90 x 100 (3.54 x 3.94)
Relief valve opening pressure kPa (kg/cm2, psi)..........98 (1.0,14)
OIL FILTER BRACKET
Oil relief valve opening pressure kPa (kg/cm2, psi)..........................539 (5.5,78)
Oil cooler by-pass valve By-pass hole closing temperature............1 OO'C (21 2'F)
Oil cooler by-pass pressure kPa (kg/cM2, psi)...................................147 (1.5, 21)
ENGINE OIL
Capacity including that of oil filter lit. (U.S.qts., Imp.qts.)...............4.0 (4.2, 3.5) without oil cooler
Recommended oil (API classification).................................................SE or higher
ECI- TURBO SYSTEM
TURBOCHARGER
Type.............................................................Exhaust gas turbine type
Model No....................................................TC06-11 A-8
Supercharging pressure control.............Waste gate valve
Waste gate actuater operating pressure
INJECTION MIXER
Part No. / Model No...............................MD041776 / 50EID-701.... EC
            MD041777 / 50EID-702.... EC with A/C
            MD041778 / 50EID-703.... AUS
Injector Type...................................................Electromagnetic type
No. of injectors................................................2
Nozzle diameter mm (in.).................................1.25 (0.049)
Coil resistance..................................................2.5 ohm
Fuel pressure regulator
Regulated pressure kPa (kg/cM2, psi).........245 (2.5, 35.6)
Throttle sensor Type.....................................Variable resistor type
Resistance.......................................................4 - 6kil
Idle switch (Idle speed adjusting screw)
Type......................................Contact point type Variable resistor (Idle mixture adjustment)
Type......................................Variable resistor type Idle up solenoid for A/C
Type......................................Electromagnetic type.. with A/C only
Dash pot Type....................CVtype..... AUS
COMPUTER
Part No. / Model No..................MD041932 E2T30371....LHD
          MD041933 E2T30471....RHD - EC
          MD041936 E2T30771....RHD - AUS
AIR CLEANER
Type.......................................Unwoven cloth type with air flow sensor
Identification No..................MD041953
AIR FLOW SENSOR
Type......................................Karman vortex type with intake air temp. sensor
Part No. / Model No............MD607697 / E005TOO271
INTAKE AIR TEMPERATURE SENSOR
Type...............................................................Thermister
Resistance.....................................................2.2 k ohm at 25'C (77'F)
RESISTOR
Model No.......................................................E8TOO271
Resistance......................................................6 ohm
WATER TEMPERATURE SENSOR
Type................................................................Thermistor
Resistance.....................16,200 ohm at -20'C (-4'F) 2,450 ohm at 20'C (68'F) 296 ohm at 80'C (176'F)

CONTROL RELAY

FUEL PUMP
Type..................................................Motor-driven roller vane type
Relief valve op. press. kPa (kg/cM2, psi)....441 - 588 (4.5 - 6, 64 - 85) at zero discharge flow
Discharge flow at room temperature (reference) lit. (cu.in.)..............................90 - 120 (5.5 - 7.3)
at 12 volt, 245 - 324 kPa (2.5 - 3.3 kg/cM2, 35 - 47 psi)
Identification No............................MD018360...... A164A MD041735....... A183A
DISTRIBUTOR
Part No. / Model No......................MD001633/T4T62373
Type................................................Breaker-pointless type
Ignition timing advance Governor [Crank angle at engine speed rpm].. O'/l 000 - 22'/2 400 - 26'/3 500
Vacuum [Crank angle at pressure kPa (mmHg, in.Hg) O'/ - 1 0.7 (- 80, - 3.1) - 1 9'/ - 49.3 370, - 14.6)
Ignition timing retard [Crank angle at pressure kPa (mmHg, in.Hg)].... O'/l 3.3 (100, 3.9) - 14'/40 (300, 1 1.8)
IGNITER
Part No. / Model No.....................MD001635/E2Tl5l7l
KNOCK SENSOR
Type...............................................Piezo-electric element
Part No. / Model No.....................MD001637/E2Tl5671
IGNITION COIL
Type...............................................Oil filled type
Model No.......................................LB-1 19
Primary coil resistance.................1. 1 5 fl at 20'C (680F)
Secondary coil resistance............8.35 kfl at 2OoC (68'F)
SPARKPLUG
Model No............................BR7ES (NGK) or W22ESR-U...EC B7ES.......... AUS

COOLING SYSTEM

Cooling method..................Water cooling, forced circulation

WATER PUMP
Type............................Centrifugal impeller
Driven by...................V" type belt
COOLING FAN
Type............................Electric fan...See Chassis group Workshop Manual
DRIVE BELT
Type............................Low-edge plain "HM" Length mm (in.)................972 (38.28)
THERMOSTAT
Type............................Wax type with jiggle valve
Valve opening temperature.......88'C (190'F).. A164A 82'C (1 80'F)....A183A

ELECTRICAL SYSTEM

STARTER MOTOR -
DIRECT DRIVE TYPE...........except ECC
Part No. / Model No........................MD027400 / M3T25782
Voltage..............................................12V
Output...............................................0.9 kW
No. of fields.....................................4
No. of poles.....................................4
No. of brushes.................................3
Drive..................................................Solenoid shift overrunning clutch
No-load test Voltage.......................1 1.5v
Amperage draw...............................60A
Minimum speed rpm.......................6 500
Pinion gap mm (in.).........................0.5 - 2.0 (0.020 - 0.079)
STARTER MOTOR
- REDUCTION DRIVE TYPE.......for ECC only
Part No. / Model No........................MD027382 / M2T53083
Voltage..............................................12V
Output...............................................1.2 kW
No. of fields......................................4
No. of poles......................................4
No. of brushes.................................4
Drive..................................................Solenoid shift overrunning clutch
Reduction.........................................3.6: 1
No-load test Voltage......................1 1.5v
Amperage draw...............................1 OOA
Minimum speed rpm.......................3 000
Pinion gap mm (in.).........................0.5 - 2.0 (0.020 - 0.079)

IGNITION SYSTEM......................See "ECI-TURBO SYSTEM"

ALTERNATOR
Part No. Model No..........................MD041706 / A3T32872
Voltage................................................................................12V
Amperage (Nominal)..........................................................65A
Rotation................................................................................Clockwise
Regulated voltage at 200C (680F).....................................14.1 - 14.7V
Temperature compensation gradiant at 1 OIC (1 8'F)..... - O.lV
Voltage regulator...................................................................Electronic type

CLUTCH

CLUTCH
Control method......................................Hydraulic control type
CLUTCH DISC
Type........................................................Dry, single plate
Facing size O.D. x I.D. mm (in.)...........225 x 150 (8-86 x 5.91)
CLUTCH COVER ASSEMBLY
Type........................................................Diaphragm spring type
Setting load N (kg. lbs.)........................5 400 (550.1 213)
RELEASE BEARING
Type.........................................................Self-centering type
Free travel mm (in.).................................Zero (Constant contact type)

MANUAL TRANSMISSION - KM 132

GENERAL
Type............................................5-speed. Floor-shift
Gear ratio .........1st...........................3.369
      2nd..........................2.035
      3rd...........................1.360
      4th...........................1.000
      5th...........................0.856
Reverse.............................................3.578
Lubricant capacity lit.(U.S.qts., Imp.qts.)............2.3 (2.4,2.0)
Speedometer gear ratio..........................................23/8
MAIN DRIVE GEAR
End play mm (in.)......................................................0 - 0.1 (O - 0.004)... Adjust with spacer
COUNTERGEAR
End play mm (in.)......................................................0 - 0.05 (O - 0.002).. Adjust with spacer
 

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