Porsche 924 S - Model Year 1986
1987 Porsche 924 S (USA)
10 hp of power increase and extended equipment
The 1987 model 924S introduced in June, 1986 is powered by the same Porsche water-cooled, 4-cylinder, twin balance shaft engine as the two-valve 944. The engine produces 147 horsepower and a top speed of 134 miles per hour on a test track. Its acceleration time from 0 to 60 mph under test conditions is 8.3 seconds with a five-speed manual transmission and 9.8 seconds with the automatic transmission.
PCNA price was set at $19,900 through November 16,1986 and $21,900 as of November 17, 1986
TECHNICAL DATA
ENGINE | |
Bore in inch | 3.94 |
Stroke in inch | 3.11 |
Displacement in in.3 | 151 |
Compression ratio | 9.7:1 |
net. power SAE J 1349 in HP | 147 |
At engine speed in rpm | 5800 |
net. torque SAE 1349 in lbft | 140 |
At engine speed in rpm | 3000 |
net. power SAE J 1349 in HP/l | 59.3 |
Max engine speed in rpm | 6250 |
Speed governed by stopping fuel flow at rpm | 6500±20 |
Fuel grade in CLC (RON) unleaded fuel | 87CLC (91 RON) |
Engine weight (dry) lbs | 366 |
Battery | 12V 63amp |
Alternator power | 1610W/115A |
Cooling System Type | Closed coolant circuit system with antifreeze for -25°C |
Fan drive | Electric fan with thermo switch |
Engine Lubrication and oil cooling | Crankshaft driven with crescent gear pump. Oil full flow heat exchanger in coolant bypass circuit integrated in crankcase |
Emission Control | 3-way cat. conv. with heated oxygen sensor meas. ahead of cat. conv./ oxyg. sensor disconnected |
Fuel System Type | DME |
Fuel Delivery | 1 electric pump |
POWER TRANSMISSION |
Front mounted engine and rear mounted transmission bolted together with a connection pipe to make up a rigid drive unit - transaxle |
Clutch | Hydraulic operated, single plate, dry clutch with diaphgram spring plate in pulled version |
Transmission | |
Convert dia. inch | 9.61 |
Stall ratio | 2.5:1 |
Stall speed in rpm | 2800-400 |
Transmission weight dry in lbs. | 148 |
Transmission weight ready for installation in lbs. | 159 |
Number of gears (ranges) | 3 forward, 1 reverse, parking lock |
Gear Ratios | |
Drive Range 1 | 2.714 |
Drive Range 2 | 1.500 |
Drive Range 3 | 1.000 |
Reverse | 2.429 |
Final drive | hypoid drive pinion/ring gear |
Final drive ratio | 3.455 |
Manual Transmission Type |
5S |
Transmission weight in lbs. dry ready for installation |
117 121 |
Gear Ratios | |
1st gear | 3.600 |
2nd gear | 2.125 |
3rd gear | 1.458 |
4th gear | 1.071 |
5th gear | 0.829 |
Reverse | 3.500 |
Final drive | Hypoid drive pinion/ring gear |
Final drive ratio | 3.89:1 |
LSD (M-equipment) locking value | 40% |
RUNNING GEAR |
|
Front Axle | Independently suspended wheels on control arms and spring struts |
Spring | (Mc Pherson) one coil spring per wheel |
Shock absorbers | Double action hydraulic absorbers in spring struts |
Steering | Power assisted rack and pinion |
Steering wheel dia. in inch | 14.96 |
Steering wheel dia. in inch (M equip. ?) | 14.17 |
Steering wheel ratio in center position | 18.85:1 |
Turning circle dia. in ft. | 33.8 |
Number of steering wheel turns from lock to lock - Stadard - M-equipment |
3.24 3.24/- |
Rear Axle | Independently suspended wheels on trailing arms |
Springs | One each round torsion bar transverse installation |
Shock absorbers | Hydraulic double-acting |
Brakes Service Brake |
Hydraulic, đual circuit brake system with axle division, brake booster, vented brake discs on front and rear wheels |
Brake disc diameter in inch | |
Front | 11.12 |
Rear | 11.38 |
Effective brake disc dia. in inch | |
Front | 8.84 |
Rear | 9.53 |
Brake disc thickness in inch | |
Front | 0.81 |
Rear | 0.79 |
Effective total pad area in sq.in. | 48.05 |
Wheel Rims and Tires Standard tires Tire Size on rim |
|
Front | 195/65 VR 15 6Jx15 |
Rear | 195/65 VR 15 6Jx15 |
Wheel Rims and Tires M-equipment tires Tire Size on rim |
|
Front | 205/55 VR 16 6Jx16 |
Rear | 202/50 VR 16 6Jx16 |
Winter tires Tire Size on rim |
|
Front | 195/65 R 15 6Jx15 |
Rear | 195/65 R 15 6Jx15 |
Tire Size on rim Front Rear |
55 R 16 6Jx16 55 R 16 7Jx16 |
Dimensions (inch) | |
Lenght | 168.90 |
Width | 66.34 |
Height | 50.20 |
Wheelbase | 94.49 |
Track (with rims) inch | |
Front | 55.8 |
Rear | 54.8 |
Ground clearence (at total max weight) inch | 4.72 |
Curbed surface clearence (at total max weight) inch | 2.09 |
Weight | |
Curbweight (front) lbs | 1345 |
Curbweight (rear) lbs | 1389 |
Curbweight (total) lbs | 2734 |
Max. axle load lbs | |
*Front | 1587 |
*Rear | 1940 |
Max total weight lbs | 3373 |
Permissible */** rack load lbs | 165 |
*The max. total weight, however, must not be exceeded. | |
**Applies only if the basic rack of the original Porsche Roof Transport System is used. If old type Porsche ski and luggage racks are used the permissible roof weight is 77 lbs. |
|
Capacities US gal | information in Owner's manual is valid |
Engine oil | 1.72 |
Engine coolant | 2.24 |
Manual transmission + differential | 0.53 |
Automatic Transmission with torque converter | 1.58 ATF Dexron 11D |
Differential of automatic transmission | 0.26 ATF Dexron R |
Power steering | 0.63 ATF Dexron 11D |
Fuel tank | 17.42 (0.9 res.) |
Brake fluid | 0.05 |
Washing fluid | 1.58 |
Performance | |
Top speed in mph | |
Manuals | 134 |
Automatics | 134 |
Acceleration in seconds (manuals) | |
0 to 60 mph | 8.3 |
0 to 100 mph | 22.3 |
1/4 mile from standing start - sec | 17.2 |
Acceleration in seconds (automatics) | |
0 to 60 mph | 9.8 |
0 to 100 mph | 27.7 |
1/4 mile from standing start - sec | 17.2 |
Transmission Oil Specification: | |
Manuals: | Hypoid gear lube SAE 80 to MIL-L 2105 API Classification GL 4 |
Automatic Transmission (US gal.): | ATF Dexron 11D, approx. 1.58 total volume; approx. 0. 74 converter volume; approx. 0.92 ATF change volume, watch mark on oil filler tank. |
Differential of automatic transmission (US gal.): | final drive: approx. 0.26 of SAE 80 to MIL-L 2105B API Classification GL 5 (filled for service life). |