|
R12 L/TL |
R12 TS |
Engine type |
4-stroke, 4-cylinder in line, overhead valve, with
wet cylinder liners |
Engine type number |
810 |
Placement |
Longitudinal, in front of wheels |
Bore x Stroke [mm] |
73 x 77 |
Cubic capacity [cm3] |
1289 |
Output [kW] @ [rpm] |
40 @ 5250
|
44 @ 5500 |
Torque [Nm] @ [rpm] |
94 @ 3000 (<75)
86 @ 3000 (>75) |
96 @ 3500 (<75)
91 @ 3500 (>75) |
Compression : 1 |
8,5 (<75)
9,5 (>75) |
9,5 |
Firing order |
1 - 3 - 4 - 2 |
Lubrication system |
Pressure feed, full flow disposable filter |
Oil pressure (hot engine) |
Idling: 0,7 bar minimum
at 4000 rpm: 3,5 bar minimum |
Valve clearances [mm] |
Cold engine:
Inlet: 0,15
Exhaust: 0,20 |
Hot engine:
Inlet: 0,18
Exhaust: 0,25 |
|
Fuel system |
Rear mounted fuel tank, mechanical fuel pump and
downdraught carburettor |
Carburettor |
Solex 32 EISA 2, 32 SEIA, 32 PDIS
Zenith 32 WIM, 32 IF 7, 32 IF 8
Carter 32 RBS |
Weber 32 DIR |
Idle speed [rpm] |
Manual: 750 - 800
Automatic (in D or R): 600 - 650 |
Ignition type |
Contact breaker and coil, distributor with
centrifugal and vacuum advance |
Spark plugs |
Champion L87Y |
Electrode gap [mm] |
0,6 |
Distributor |
Ducellier, Femsa, SEV Marchal |
Direction of shaft rotation |
Clockwise viewed from above |
Contact breaker gap [mm] |
0,4 |
Equivalent dwell angle (percentage) |
57° +/- 3° (63% +/- 3%) |
Ignition timing (static or idle) |
Advance curve number:
R248, R251
A96, A268
R280 |
0° BTDC +/- 1°
6° BTDC +/- 1°
12° BTDC +/- 1° |
|
Cooling system |
Pressurized, sealed, with belt driven pump and
fan |
Thermostat, type |
|
Initial opening temperature |
Early models: 84°C
Later models: 89°C |
Fully open temperature |
Early models: 95°C
Later models: 100°C |
Fanbelt tension |
6,5 [mm] deflection at mid-point of longest
run |
|
R12 L/TL |
R12 TS |
Gearbox |
4 speed manual, one reverse, all forward gears
synchronized |
Gear ratios |
First - 3,61/3,82 : 1
Second - 2,26/2,24 : 1
Third - 1,48/1,48 : 1
Fourth - 1,08/1,04 : 1
Reverse - 3,08/3,08 : 1 |
Final drive ratio |
3,777/3,875/4,125/4,375 : 1 |
Gearbox lubrication |
Hypoid EP80, 2 [l] |
Clutch |
Single dry plate, diaphragm spring, cable
operated |
Clutch adjustment |
Free play at release lever 2,5 to 3,5 [mm] |
|
R12 L/TL |
R12 TS |
Suspensions Front |
Independent, wishbones, coil Springs, hydraulic
shock-absorbers |
Suspensions Rear |
Beam axle, located by tie-rods and a triangle, coil
springs, hydraulic shock-absorbers |
Roll bar |
Front and Rear |
Front wheel alignment |
Camber: +1,5 degrees +/- 0,5
Castor: +4 degrees
Toe-out: 1 to 4 mm |
Wheels |
4 1/2 B 13 |
Tyres |
145 or 155 x 330 |
155 x 330 |
Steering type |
rack and pinion |
Brakes |
Discs front, drums rear, hydraulically
operated |
Front brakes |
Pad thickness, including backplate:
New: 14 mm
Wear limit: 7 mm |
Disc thickness:
New: 10 mm
Wear limit: 9 mm |
|
Rear brakes |
Shoe lining thickness:
New: 5 mm
Wear limit: 1 mm or flush with rivet heads
|
Drum internal diameter (new):
Saloon: 180,25 mm
Break: 228,50 mm
Drum refinishing limit: +1 mm in new diameter |
|
Hydraulic system |
Single circuit, since millésime 1977 dual
circuit, hydraulic fluid SAE J1703 |
Handbrake |
Mechanically operated, on rear wheels |
Steering ratio : 1 |
20 |
Turning circle [m] |
10,0 between kerbs
10,75 between walls |