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

Bearing Reference Numbers:

Click here for full list of SKF Bearing Reference Numbers