Untitled Document
1993 Porsche 968 Coupe Specifications
GENERAL
Year 1993
Make Porsche
Model 968 Coupe
Body Style 2 door coupe
Engine 3.0L 4-cylinder
Transmission 6-speed manual
Option Package Standard
 
ENGINE
Engine code M44/43
Engine type Water-cooled, inline 4-cylinder
Location in vehicle Front, longitudinally mounted
Bore 104.0 mm (4.09 in.)
Stroke 88.0 mm (3.46 in.)
Displacement 2,990 cc (182.5 c.i.)
Compression ratio 11.0 to 1
Maximum horsepower 236 bhp @ 6,200 rpm
Maximum Torque 225 lb-ft. @ 4,100 rpm
Maximum engine RPM 6,700 rpm
Engine block High-silicon cast aluminum open deck, with etched cylinder bores and ladder type main bearing girdle
Deck height TBD
Bore spacing 122 mm (4.80 in.)
Crankshaft Forged steel, counterweighted, with 5 main bearings
Connecting rods Forged steel
Pistons Forged aluminum
Balance shafts 2, belt driven, mounted in engine block
Cylinder head Single piece cast aluminum
Intake valves 39mm x 2, stainless steel
Exhaust valves 33mm x 2, stainless steel
Valvetrain type and actuation DOHC 4 valves per cylinder, with hydraulic camshaft followers and VarioCam® variable valve timing
Variable valve timing change over point 1,500 rpm and 5,500 rpm
Camshaft type and material Cast steel
Camshaft drive Toothed belt and internal chain with hydraulic/electric adjustment, 45,000 mile belt service interval
Intake manifold Dual-flow cast aluminum
Throttle body diameter TBD
MAF meter type and diameter Hot film
Throttle type Cable
Fuel injection ECU type Bosch electronic port fuel injection
Fuel injection manufacturer code Bosch Motronic 2.10.1
Fuel injector type Single hole, high impedance
Fuel injector maximum flow rate 341.6 cc/min.
Fuel tank capacity 19.6 US Gallons
Octane requirement 91 Octane pump gas
Ignition Transistorized breakerless ignition
Ignition coil Single remote coil
Distributor Single distributor with electronic control
Number of sparkplugs per cylinder 1
Sparkplug type and mfg Bosch WR 7 DTC
Firing order 1-3-4-2
Exhaust manifold 4 into 2 stainless steel header with 2 into 1 downpipe
Exhaust type and diameter Single exhaust into catalytic converter, then twin pipes thru rear-mounted final muffler. Single outlet.
Primary catalytic converter Single 3-way catalytic converter, mounted under floor
Secondary catalytic converter n/a
Lubrication system Pressurized
Oil required See owner's manual
Oil capacity with filter change 6.87 US Quart
Oil cooler Liquid to air
Cooling system Pressurized, liquid cooled
Radiator type and location Single row aluminum, mounted behind front bumper
Coolant TBD
 
TRANSMISSION
Manual transmission manufacturer Getrag
Manual transmission part code G44/00
Manual transmission type 6-speed manual
Manual transmission case construction Cast aluminum
Manual transmission location Rear, mounted between rear wheels
Manual transmission drive wheels Rear
1st gear ratio 3.182
2nd gear ratio 2.000
3rd gear ratio 1.435
4th gear ratio 1.111
5th gear ratio 0.912
6th gear ratio 0.778
Final drive axle ratio 3.778
Reverse gear ratio 3.455
Transmission fluid Hypoid transmission oil, SAE 75w-90 to API GL5 classification
Transmission cooler type and location n/a
Shifter type Rod linkage, located on console
Clutch type and material Single dry plate, diaphragm spring
Clutch disc diameter 240 mm (9.45 in.)
Clutch actuation Hydraulic
Clutch fluid TBD
Flywheel material and type Steel dual mass
Flywheel weight 30.2 lbs.
Rear differential type Open
Optional rear differential type ZF Mechanical Limited Slip
Traction and stability system n/a
 
CHASSIS
Chassis code 968
Body style 2 door, 2+2 coupe
Chassis material and construction Galvanized steel unit body
Overall length 170.1 in. (4320 mm)
Width 68.3 in. (1735 mm)
Height 50.2 in. (1275 mm)
Wheelbase 94.5 in. (2400 mm)
Front track 58.2 in. (1478 mm)
Rear track 57.1 in. (1450 mm)
Base curb weight, manual transmission 3,086 lbs.
Base curb weight, automatic transmission
Weight distribution, manual transmission 49 / 51
Weight distribution, automatic transmission
Front headroom 38.0 in. (965 mm)
Front leg room 44.5 in. (1130 mm)
Front hiproom TBD
Front shoulder room 55.3 in.
Rear headroom 36.8 in.
Rear leg room 33.7 in.
Rear hiproom TBD
Rear shoulder room 51.9 in.
Cargo volume, rear seat up 7.9 cu-ft.
 
SUSPENSION AND BRAKES
Front suspension Independent, MacPherson struts with aluminum control arms, coil springs and anti-roll bar
Rear suspension Independent, with semi-trailing arms, torsion bars, and anti-roll bar.
Front spring rate TBD
Rear spring rate n/a
Front torsion bar diameter n/a
Rear torsion bar diameter 25.5 mm
Front shock type Fichtel and Sachs high-pressure gas strut
Rear shock type Fichtel and Sachs high-pressure gas shock
Front sway bar diameter MT/AT 26.8 mm - solid
Rear sway bar diameter MT/AT 16 mm - solid
Front sway bar wall thickness n/a
Rear sway bar wall thickness n/a
Steering type Rack and pinion with power assist
Steering ratio 18.85 to 1
Steering wheel turns lock to lock 3.2
Turning circle 35.3 ft.
Steering wheel diameter 380 mm
Power steering assist type Progressive hydraulic
Power steering fluid type ATF Dextron II D
Braking system 4-wheel disc with power assist
Front brake rotor type and material Cast iron ventilated disc
Rear brake rotor type and material Cast iron ventilated disc
Front brake rotor size 298 x 28 mm (11.73 x 1.10 in.)
Rear brake rotor size 299 x 24 mm (11.77 x 0.95 in.)
Front caliper type 4 piston aluminum, with 40 and 36 mm pistons
Rear caliper type 4 piston aluminum, with 30 and 28 mm pistons
Anti-Lock braking system type 2-Channel ABS
Brake fluid type TBD
 
WHEELS AND TIRES
Wheel manufacturer code Design 92
Wheel finish and material Painted cast aluminum
Front wheel size 16 x 7.0 in.
Rear wheel size 16 x 8.0 in.
Bolt pattern 5 x 130
Front wheel weight 17.1 lbs.
Rear wheel weight TBD
Front wheel offset 55 mm positive
Rear wheel offset 52.3 mm positive
Front wheel centerbore 71.6 mm
Rear wheel centerbore 71.6 mm
Lug thread pitch 14 x 1.5
Wheel lug tightening torque 96 lb-ft.
OEM tire model and manufacturer n/a
Front tire size 205/55ZR16
Rear tire size 225/50ZR16
Spare tire size Collapsible
 
OPTIONAL EQUIPMENT
Optional wheel manufacturer code C2 Turbo
Optional wheel finish and material Painted cast aluminum
Optional front wheel size 17 x 7.5 in.
Optional rear wheel size 17 x 9.0 in.
Optional front wheel weight 22.2 lbs.
Optional rear wheel weight 26.7 lbs.
Optional front wheel offset 65 mm positive
Optional rear wheel offset 55 mm positive
Optional Wheel lug tightening torque 96 lb-ft.
Optional OEM Tire model and manufacturer n/a
Optional front tire size 225/45ZR17
Optional rear tire size 255/40ZR17
Optional spare tire size n/a