Essential Technical Data 11BL & BN
Engine
Power /rpm:
56 hk/ 3800.(11D 60/4000)
Compression ratio:
6,2 : 1
Compression:
7,7 kg/cm²
Torque:
12,2 kgm/ 2000 omw.
Cylinder diameter:
78 mm.
Stroke:
100 mm.
Cylinders:
4 in line.
Cylinder volume total:
1,911 litre
Main bearing seat bore:
58,01 + 0,025mm.
Pistons
Material:
Aluminium alloy
Play pistons-liners:
0,06-0,08 mm.
Gudgeon pin diam:
20 mm.
Gudgeon pin grip
thumb pressure
Piston rings:
2 / 3 compression
2 oil scrape
Piston ring gap:
comp: 0,15 - 0,20 mm.
oil scraper: 0,07 - 0,10 mm.
Conecting rods
Radial play:
0,05 - 0,06 mm.
Axial play: original con rods
0,10 - 0,15 mm.
piston pin play 
0,015 
Crankshaft
Main bearing crank pin:
50,00 mm. std.
Connecting rod crank pin:
47,990-48,000mm. std.
Main bearings radial play:
0,04 - 0,08 mm.
Point of measure (axial play):
rear bearing 


(at transmission chain)

Valves
Valve clearance: Inlet (11D)
0,15,  mm.,hot (11D 0,20)
Valve clearance: Exhaust  (11D)
0,20,  mm.,hot (11D 0,25)
Valve seat angel:
30° inlet / exhaust
Valve spring inner (length & load)
 
- Free length:
43 mm.
- @ 16kg. load:
27 mm.
- @ 9kg. load:
33 mm.
Valve spring outer (length & load)
 
- Free length:
46,5 mm.
- @ 30kg. load:
29 mm.
- @ 15kg. load:
37 mm.
Valve timing
Inlet opens:
3º  TDC (top dead center)
Inlet closes: 
45º ABDC (after bottom dead center)
Exhaust opens:
45º BBDC (before bottom dead center)
Exhaust closes:
11º ATDC (after top dead center)
Ignition
Sparkplugs:
Marchal 5N, NGK BP6HS, Champion H10 or K.L.G. F 50
Electrode gap:
0,5 - 0,6 mm.
Distributor
Make &  type:
*SEV *R.B. *DUCELLIER
Point gap:
0,45 - 0,55 mm.
Fuelsystem
Carburettor: make & type:
* Solex 35 FPAI/FATIP
< Sept 1950
* Solex 32 PBIC.
> Sept 1950
* Zenith 32 IN.
Fuel pump: make & type:
* AC * SEV * GUIOT.
Pump pressure:
0,15 atm.
Generator
Voltage regulator , make & type:
* Ducellier , * Citroën,*PR.
Cutting in voltage:
6,2 - 7,2 Volt.
Cutting out voltage:
7,2 Volt.
Voltage:
6 Volt.
Polarity:
Negative Earth
Lubrication system.
Oil pressure: (hot)
2 - 2,5 kg @ 500 - 750 rpm.
Front axle adjustments(alignment)
Camber:
1º ± ½
Caster:
1½ º ±¼
Toe out:
0 - 2 mm.
Wheel base:
291 cm.
Tyre dim: 11cv.
165 x 400 , Michelin X
Tyre dim: 15cv.
185 x 400 , Michelin X
Chassis height : fram / bak   BL/BN
295mm / 285/295mm.
Tyre pressure: 2 persons (4 persons +)
front:1,7 (2,0) rear:1,9(2,2) at
Hubcap Thread (Normal Wheels)
M14 x 1.5
Hubcap Thread (Pilote Wheels)
M10 x 28
Brakes:
Brake drum diameter: Rear
255 mm. + 2 mm.
Brake drum diameter: Front
305 mm. + 2 mm.
length of brake lining
front primary:
287 mm.
front secondary:
142 mm.
rear primary:
142 mm.
rear secondary
127 mm.
width brake lining:
35 mm.
thickness brake lining:
5 mm.
tightening torque front brake drum nut:
30 kgm./ 300 Nm.
Tightening torques
Cylinder head bolts: Perfo (11D,ID19, HY)
5 kgm./ 50 Nm.(6 kgm/60 Nm )
Connecting rods: Perfo (11D)
4 kgm./ 40 Nm.(5 kgm/50 Nm )
Main bearing caps: (HY/ID
7 kgm./ 70 Nm. (10 kgm/100 Nm )
Manifold studs:
2 kgm./ 20 Nm.
Oil pan
1,2 kgm / 12 Nm
Volume measurements
Engine oil:
4,5 litre
Oil type, winter:
SAE 20 / 15w40
Oil type, summer:
SAE 30 / 15w40   (SAE 50)
Gearbox (transmission):
2 litre
Oil type:
Hypoid SAE 90
Cooling system:11BL/11BN
7,5 / 8 litre
Fuel tank:11BL/11BN
45 / 50 litre
Measurements, exterior
Wheelbase BL / BN
2,91 mtr / 3,09 mtr
Total length BL / BN
4,45 mtr / 4,65 mtr
Total width BL / BN
1,67 mtr /1,79 mtr
Tightening sequence cylinderhead 11cv
Traction Weights "unladen" 
Model
Weight
7A
900 kg
7B
900 kg
7S
1025 kg
7C
1025 kg
7C eco
1025 kg
Light 12
1025 kg
11AL
1060 kg
11AM
1060 kg
11BL early
1060 kg
11BL
1070 kg
Light 15
1070 kg
11A
1100 kg
11B early
1100 kg
11B 
1120 kg
Big 15
1120 kg
11A Lim
1130 kg
11A Fam
1170 kg
11B Lim
1140 kg
11B Fam
1180 kg
11B Comm
1210 kg
15 Six
1325 kg
15 Six Fam
1350+ kg
.
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