Cant remember where this was from, i found it hosted on an old account of mine.
Some parts relate specifically to Calibra Turbos(brakes etc), but the engine data could be useful for someone with LET questions
Vauxhall/Opel Calibra 2.0i Turbo 4x4 - Technical Specs
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Engine - Tuning Data
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Type.............................C20LET; 4 Cylinder, Transverse Mounted, Turbocharged
Number of Cylinders..............4; No 1 Pulley end
Cubic Capacity...................1998cm(3)
Bore/Stroke......................86/86mm
Compression ratio/pressure.......9,0:1
Octane Rating(RON)...............Unleaded only (95)
Brake Horsepower (DIN)...........204 at 5600rpm
Torque (DIN) Nm (lb ft)..........280 (207) at 2400rpm
Valve operation..................DOHC in line valves 4 per cylinder, hydraulic tappets
Valve timing.....................
Valve clearances mm(in)..........N/A
Spark Plugs Installed(New).......Vauxhall (90442514)
Gap..............................0,7/0,8mm (,028/,031in)
Distributor make/type............Bosch Motronic
Air Metering.....................Mass
Combined Ignition/Fuel ECM.......Yes
Diagnostic Socket................Yes
Firing Order/Rotation............1-3-4-2/Anticlockwise
Dwell angle......................Electronic
Contact Breaker Gap..............Electronic
Pick up air Gap..................Electronic
Ignition timing - Strobe.........14Degrees/18Degrees BTDC (No Adjustment)
Ignition timing - Static.........
Timing marks.....................Pulley
Centrifugal Advance commences....Computer Controlled Electronic Advance
Centrifugal Advance - Maximum....Computer Controlled Electronic Advance
Vacuum Advance commences.........Computer Controlled Electronic Advance
Vacuum Advance - Maximum.........Computer Controlled Electronic Advance
Ignition coil - make.............90 277 970
Prim res - sec res...............
Fuel lift pump...................Electric
Injection System make/type.......Bosch/M2, 7 Motronic computer controlled
Idle Speed.......................920/1040rpm
Exhaust Gas Analysis.............CO 0,4% max;HC 50ppm max
Injection pressure...............System Pressure: 3,0/3,5 bar
Turbocharger.....................KKK 16
Engine - General Data
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Piston Diameter (standard).......85,925/85,965mm (in 5 grades)
Piston Oversizes.................0,5mm
Piston Clearance in bore.........0,05/0,07mm
Piston Rings - number............2 compression 1 oil
Piston Rings - Width.............(1)(2) 1,5mm (3)3,0
Piston Rings - Groove Clearance..
Piston Rings - Gap in Bore.......(1)(2) 0,30/0,50mm (3) 0,40/1,40
Oil Pressure bar (PSI)...........1,5(22) at idle
Gudgeon pin diameter.............21mm
Gudgeon pin fit in piston........Clearance 0,004/0,010mm
Gudgeon pin fit in con rod.......Clearance 0,015/0,030mm
Connecting Rod length............
Crankpin Diameter................48,970/48,988mm
Crankpin Undersizes..............0,25;0,50mm
Big End bearing clearance........0,006/0,031mm
Big End side clearance...........0,07/0,24mm
Main Bearings....................5
Main Journal Diameter............57,982/57,995mm (in 2 grades)
Main Journal Undersizes..........0,25;0,50mm
Main Bearing Clearance...........0,015/0,040mm
Crankshaft end-float.............0,05/0,152mm
Crankshaft end-thrust on.........Centre Bearing
Camshaft Bearings................5
Camshaft Journal Diameter........27,939/27,960mm
Camshaft bearing clearance.......
Camshaft end-float...............0,04/0,144mm
Camshaft drive type..............Toothed Belt
Cam lift.........................8,5mm
Valve Head Diameter..............In 33mm Ex 29
Valve Stern Diameter.............In 6,955/6,970mm Ex 6,945/6,960
Valve Length.....................104,6/105,0mm
Valve Seat/Face Angle............45Degrees/44Degrees
Valve Lift.......................
Valve Guide Length...............
Valve Stern/Guide clearance......In 0,03/0,06mm Ex 0,04/0,07
Valve spring free length.........
Valve spring loaded length.......
Cooling System
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Type.............................Water pump radiator
Radiator pressure cap............1,20/1,34 bar (18/20lb/in(2))
Fan..............................Electric on 100Celcius off 95Celcius
Thermostat.......................91Celcius
Transmission
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Type.............................4 Wheel Drive
Clutch...........................228mm cable operated
Manual Gearbox Type..............6 Speed; F28/6
Manual Gearbox Ratios............0,74;0,89;1,10;1,45;2,16;3,57; Reverse 3,32:1
Drive Shafts.....................With 2 CV Joints each
Final Drive Ratio................Forward 3,72:1 Reverse 3,70:1
Differential Bearing pre-load....
Pinion Bearing pre-load..........
Brakes
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Type.............................Diagonal dual circuit ABS
Power Assistance.................Vacuum Servo 229mm
Front............................Ventilated Discs 284x24mm (minimum 21)
Rear.............................Discs 270x10mm (minimum 7)
Handbrake........................Mechanical on rear wheels
Linings - Front..................Thickness 12mm
Linings - Rear...................Thickness 11mm
Electrical
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Battery..........................12v 55Ah Negative Earth
Alternator.......................70A
Regulated Voltage................Bosch 13,7/14,5V / Delco 14,5V (+-) 0,25
Starter Motor....................1,4KW
Capacities
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Engine Oil/Grade.................4,5 litres including Filter / 10W/40 (SG)
Gearbox Oil/Grade................1,8 litres / 80W
Differential Oil/Grade...........0,8 Litres / 80W
Cooling System...................7,2 litres
Fuel Tank........................63 litres
Tyre Size........................205/60/ZR 16
Pressures bar (PSI)..............Front 2,3 (33) Rear 2,1 (30)
Max Towing Weight................1300kg (28661b)
Hydraulic Fluid Type.............DOT 4 spec
Service Intervals................9000 miles or 6 months
Dimensions
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Length Overall...................4492mm (117,4in)
Width Overall....................1688mm (66,9in)
Height Overall...................1320mm (55,1in)
Weight-Kerb......................1390kg (3084lb)
Ground Clearance.................120mm (4,96in)
Wheelbase........................2600mm (102,4in)
Track - Front/Rear...............1426/1446mm (56,1/56,9in)
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