new build Caterham

[jimmy1960]

Urgently need information on Duratec engines.

[6speedmanual]

Ade

Maybe you could expand the question a little so people know what you are after?

 

Peter

 

 

BRAWNGP green SUPERLIGHT

FCITW 2009 😬

[myothercarsa2cv]

Ford make them...

 

John

_________________________

 

myothercarsa2cv

Bugsy: '82 2cv6 😬

Talloulah '08 1.6K Classic

[fred_gustafsson]

they are thirsty

[gileshudson]

They exit on the wrong side in a Caterham 😬

 

Giles

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Beryl the Yellow Peril

[Johnty Lyons]

4 cylinder twin overhead cam X flow ladder construction alloy engine rumoured to be able to produce up to 300 BHP with no bottom end modifications Based on Mazda power unit and installed in various guises in lots of cars .

 

Old enough to know better Senile enough not to care.

 

[Dickie Normuss]

They're not as good as Vauxhalls 😬

 

VX HPC - Loud and proud here

Adding power makes you faster on the straights. Subtracting weight makes you faster everywhere

[mav]

They're not as good as Vauxhalls 😬

 

Nope, they're better *tongue*

[BBL]

Brazenly stolen from another forum:

 

General Specifications:

Engine Displacement: 2.0L

No. of cylinders: 4

Bore/stroke: 87.5/83.1

Firing order: 1-3-4-2

Oil pressure (hot @ 2,000 rpm): 200-268 kPa (29-39 psi)

Oil capacity: 3.9L + 0.38L (4.1 qt + 0.4 qt) with filter

Cylinder bore diameter: 87.5-87.53 mm (3.444-3.445 in)

Cylinder bore maximum out-of-round: 0.008 mm (0.0003 in)

Main bearing bore diameter: 57.020-57.038 mm (2.244-2.245 in)

Head gasket surface flatness: 0.1 mm/general 0.05 mm/200 x 200 (0.004 in/general) (0.0019 in/7.87 x 7.87)

Piston Diameter:

(1)87.5-87.51 mm (3.444-3.445 in)

(2)87.51-87.52 mm (3.4452-3.4456 in)

(3)87.52-87.53 mm (3.444-3.446 in)

Piston-to-bore clearance: 0.025-0.045 mm (0.0009-0.0017 in)

Ring groove width:

top: 1.203-1.205 mm (0.0473-0.0474 in)

2nd: 1.17-1.19 mm (0.0.460-0.0468 in)

oil: 2.501-2.503 mm (0.0984-0.0985 in)

Piston skirt coating thickness: 0.008-0.020 mm (0.0003-0.0007 in)

Piston Pin:

Diameter: 20.995-21.0 mm (0.8266-0.8268 in)

Length: 59.6-60.4 mm (2.346-2.377 in)

Piston-to-pin clearance: 0.008-0.016 mm (0.0003-0.0006 in)

Pin-to-rod clearance: Press fit

Cylinder Head:

Valve lift @ zero lash (exhaust): 7.7 mm (0.30 in)

Valve lift @ zero lash (intake): 8.8 mm (0.35 in)

Valve guide diameter: 5.509-5.539 mm (0.216-0.218 in)

Valve seat width:

intake/exhaust: 0.99-1.84 mm (0.038-0.072 in)

Valve seat angle: 45 degrees

Valve seat runout: 0.075 mm (0.0029 in)

Valve lash adjuster bore diameter: 31.00-31.03 mm (1.220-1.221 in)

Cam bore diameter: 25.015-25.040 mm (0.984-0.985 in)

Valve:

Valve head diameter — intake: 34.85-35.15 mm (1.372-1.383 in)

Valve head diameter — exhaust: 29.85-30.15 mm (1.175-1.187 in)

Valve stem diameter — intake: 5.470-5.485 mm (0.2153-0.2159 in)

Valve stem diameter — exhaust: 5.465-5.480 mm (0.2151-0.2157 in)

Valve stem-to-guide clearance — intake: 0.0027 mm (0.0001 in)

Valve stem-to-guide clearance — exhaust: 0.0029 mm (0.00011 in)

Valve face runout: 0.05 mm (0.001 in)

Valve face angle: 45 degrees

Valve Spring:

Compression Pressure: Intake and exhaust (installed)17.5 kg (38.667 lbs)

Intake (valve open) 8.9 mm (0.35 in) of lift: 44 kg (97.032 lbs)

Exhaust (valve open) 7.4 mm (0.29 in) of lift: 42 kg (93.338 lbs)

Free length: 44.92 mm (1.768 in)

Assembled height: 37.9 mm (1.492 in)

Crankshaft:

Main bearing journal diameter: 51.980-52.000 mm (2.046-2.047in)

Production repair: 51.730-51.750 mm (2.036-2.037 in)

Main bearing clearance: 0.019-0.035 mm (0.0007-0.0013 in)

Connecting rod journal diameter: 49.980-50.000 mm (1.967-1.968 in)

Production repair: 49.730-49.750 mm (1.957-1.958 in)

End play: 0.22-0.43 mm (0.008-0.016 in)

Rings

Width — top: 1.17-1.185 mm (0.0460-0.0466 in)

Width — 2nd: 1.197-1.199 mm (0.0471-0.0472 in)

Width — oil: 2.38-2.45 mm (0.093-0.096 in)

Ring gap (in bore) — top: 0.16-0.31 mm (0.006-0.012 in)

Ring gap (in bore) — 2nd: 0.33-0.48 mm (0.012-0.018 in)

Ring gap (in bore) — oil: 0.2-0.7 mm

(0.007-0.027 in)

Valve Tappet:

Diameter: 30.97-30.98 mm (1.2192-1.2196 in)

Tappet-to-valve clearance — intake: 0.22- 0.28 mm (0.008-0.011 in)

Tappet-to-valve clearance — exhaust: 0.27-0.33 mm (0.010-0.013 in)

Tappet-to-bore clearance: 0.02-0.06 mm (0.0007-0.0023 in)

Camshaft:

Lobe lift — intake: 8.24999 mm (0.324 in)

Lobe lift — exhaust: 7.80007 mm (0.307 in)

Runout (1)a 0.03 mm (0.001 in)

Thrust clearance: 0.09-0.24 mm (0.003-0.009 in)

Journal diameter: 24.96-24.98 mm (0.982-0.983 in)

Journal-to-bore clearance: 0.035-0.080 mm (0.001-0.003 in)

Connecting Rod:

Bearing clearance: 0.027-0.052 mm (0.001-0.002 in)

Bearing thickness: 1.496-1.520 mm (0.058-0.059 in)

Crank bore diameter: 53.025-53.045 mm (2.087-2.088 in)

Pin bore diameter: 20.965-20.985 mm (0.825-0.826 in)

Length (center to center): 154.8 mm (6.094 in)

Side clearance: 1.95-3.05 mm (0.076-0.120 in)

Axial clearance: 0.14-0.36 mm (0.005-0.014 in)

a No. 3 Journal — Supported by No. 1 and No. 5 journals.

 

 

 

 

 

Engine Displacement: 2.3L

No. of cylinders: 4

Bore/stroke: 87.5/94.0

Firing order: 1-3-4-2

Oil pressure (hot @ 2,000 rpm): 200-268 kPa (29-39 psi)

Oil capacity: 3.9L + 0.38L (4.1 qt + 0.4 qt) with filter

Cylinder Block:

Cylinder bore diameter: 87.5-87.53 mm (3.444-3.446 in)

Cylinder bore maximum out-of-round: 0.008 mm (0.0003 in)

Main bearing bore diameter: 57.020-57.038 mm (2.244-2.245 in)

Head gasket surface flatness: 0.1 mm/general 0.05 mm/200 x 200 (0.003 in./general) (0.0019 in./7.87 x 7.87)

Piston Diameter:

(1)87.5-87.51 mm (3.444-3.445 in)

(2)87.51-87.52 mm (3.4452-3.4456 in)

(3)87.52-87.53 mm (3.4456-3.4460 in)

Piston-to-bore clearance: 0.025-0.045 mm (0.0009-0.0017 in)

Ring groove width — top: 1.203-1.205 mm (0.0473-0.0474 in)

Ring groove width — 2nd: 1.17-1.19 mm (0.0460-0.0468 in)

Ring groove width — oil: 2.501-2.503 mm (0.0984-0.0985 in)

Piston skirt coating thickness: 0.008-0.020 mm (0.0003-0.0007 in)

Piston Pin:

Diameter: 20.995-21.0 mm (0.8265-0.8267 in)

Length: 59.6-60.4 mm (2.346-2.377 in)

Piston-to-pin clearance: 0.008-0.016 mm (0.0003-0.0006 in)

Pin-to-rod clearance: Press fit

Cylinder Head:

Valve lift @ zero lash (exhaust): 7.4 mm (0.30 in)

Valve lift @ zero lash (intake): 7.9 mm (0.31 in)

Valve guide diameter: 5.509-5.539 mm (0.216-0.218 in)

Valve seat width — intake/exhaust: 0.99-1.84 mm (0.038-0.072 in)

Valve seat angle: 45 degrees

Valve seat runout: 0.075 mm (0.0029 in)

Valve lash adjuster bore diameter: 31.00-31.03 mm (1.220-1.221 in)

Cam bore diameter: 25.015-25.040 mm (0.984-0.985 in)

Valve:

Valve head diameter — intake: 34.85-35.15 mm (1.372-1.383 in)

Valve head diameter — exhaust: 29.85-30.15 mm (1.175-1.187 in)

Valve stem diameter — intake: 5.470-5.485 mm (0.2153-0.2159 in)

Valve stem diameter — exhaust: 5.465-5.480 mm (0.2151-0.2157 in)

Valve stem-to-guide clearance — intake: 0.0027 mm (0.00010 in)

Valve stem-to-guide clearance — exhaust: 0.0029 mm (0.00011 in)

Valve face runout: 0.05 mm (0.0019 in)

Valve face angle: 45 degrees

Valve Spring:

Compression Pressure:

Intake and exhaust (installed): 17.5 kg (38.667 lb)

Intake (valve open) 8.9 mm (0.35 in) of lift: 44 kg (97.032 lb)

Exhaust (valve open) 7.4 mm (0.29 in) of lift: 42 kg (93.338 lb)

Free length: 44.92 mm (1.768 in)

Assembled height: 37.9 mm (1.492 in)

Crankshaft:

Main bearing journal diameter: 51.980-52.000 mm (2.046-2.047 in)

Production repair: 51.730-51.750 mm (2.036-2.037 in)

Main bearing clearance: 0.019-0.035 mm (0.0007-0.0013 in)

Connecting rod journal diameter: 49.980-50.000 mm (1.967-1.968 in)

Production repair: 49.730-49.750 mm (1.957-1.958 in)

End play: 0.22-0.43 mm (0.008-0.016 in)

Rings:

Width — top: 1.17-1.185 mm (0.0460-0.0466 in)

Width — 2nd: 1.197-1.199 mm (0.0471-0.0472 in)

Width — oil: 2.38-2.45 mm (0.093-0.096 in)

Ring gap (in bore) — top: 0.16-0.31 mm (0.006-0.012 in)

Ring gap (in bore) — 2nd: 0.33-0.48 mm (0.012-0.018 in)

Ring gap (in bore) — oil: 0.2-0.7 mm (0.007-0.027 in)

Valve Tappet:

Diameter: 30.97-30.98 mm (1.2192-1.2196 in)

Tappet-to-valve clearance — intake: 0.22- 0.28 mm (0.008-0.011 in)

Tappet-to-valve clearance — exhaust: 0.27-0.33 mm (0.010-0.013 in)

Tappet-to-bore clearance: 0.02-0.06 mm (0.0007-0.0023 in)

Camshaft:

Lobe lift — intake: 8.24999 mm (0.324 in)

Lobe lift — exhaust: 7.80007 mm (0.307 in)Runout (1)a 0.03 mm (0.001 in)

Thrust clearance: 0.09-0.24 mm (0.003-0.009 in)

Journal diameter: 24.96-24.98 mm (0.982-0.983 in)

Journal-to-bore clearance: 0.035-0.080 mm (0.001-0.003 in)

Connecting Rod:

Bearing clearance: 0.027-0.052 mm (0.001-0.002 in)

Bearing thickness: 1.496-1.520 mm (0.058-0.059 in)

Crank bore diameter: 53.025-53.045 mm (2.087-2.088 in)

Pin bore diameter: 20.965-20.985 mm (0.825-0.826 in)

Length (center to center): 154.8 mm (6.094 in)

Side clearance: 1.95-3.05 mm (0.076-0.120 in)

Axial clearance: 0.14-0.36 mm (0.005-0.014 in)

a No. 3 Journal — Supported by No. 1 and No. 5 journals.

 

---

Sean

[Alaskossie]

They exit on the correct side on a lhd Caterham.....

 

Alaskossie

[jimmy1960]

Need some pictures/info on how to wire the alternators and the starter motor on a catherham duratec 175 bhp. I am in the process of installing the lights and it would be nice if I can test each componet before advancing any further.