CIH Engine Cam Specifications

(Last Updated, 11.11.2001)    

 

Factory Camshafts for CIH engines
 (source: , 4.16.2000)   

Engine 

Intake [°]

 Exhaust [°]

Duration
(I/E)
[°]

Lobe Centers
 [°]

Cam lift
[mm] (inch)

Valve lift
[mm] (inch)

Index R=retard A=advance [°]

 Type
M=mech
H=hydra 		Mark

Open
BTDC

Close
ABDC

Open
BTDC

Close
ABDC

17N, 15N

34

76

70

28

290/278

111

6.32 (.249)

9.64
(.380)

0

 M  

17N

44

86

84

46

310

110

 6.52 (.257)

9.95
(.392)

R 1

 M  

19S/H, 17S

40

88

80

48

308

110

6.52 (.257)

9.95
(.392)

R 4

 M/H A/--

19N

44

86

84

46

310

110

6.52 (.257)

9.95
(.392)

R 1

 H  

19E

44

88

84

48

312

110

7.20 (.283)

10.98
(.432)

R 2

H C/green

20N, 20S

32

90

72

50

302

110

6.86 (.270)

10.47
(.412)

R 9

 H  

20E

34

88

74

48

302

110

 6.86 (.270)

10.47
(.412)

R 7

 H R/green
brown

22E

28

77

66

39

285

107

6.52 (.257)

9.95
(.392)

R 5.5

 H  
24NE 44 88 84 48 312 110 7.20 (.283) 10.98
(.432) 		R 2 H  

25/28E

40

88

80

48

308

110

6.52 (.257)

9.95
(.392)

R 4

 H B/white

30E

32

90

72

50

302

110

6.86 (.270)

10.47
(.412)

R 9

 H K/green
brown

Risse (Germany) Cams for CIH engines
(source: , 11.7.2001) 

Cam

 Intake [°] Exhaust [°]

Duration
[°]

Lobe Centers
[°]

 Lift TDC
[mm] (inch)

Valve Lift
[mm] (inch)

Valve Lash
[mm] (inch)

Type
M=mech
H=hydra 		 
Open
BTDC 		Close
ABDC 		Open
BTDC 		Close
ABDC
H276C9 29 67 67 29 276 109 2.0 (.079) 11.2 (.440)   H  
H284C9 33 71 71 33 284 109 2.2 (.087) 11.7 (.460)   H  
H302C7 44 78 78 44 302 107 3.15 (.124) 11.87 (.467)   H  
H310C6 49 81 81 49 310 106 3.8 (.150) 12.84 (.505)   H  
M274CX 27 67 67 27 274 110 2.0 (.079) 10.53 (.415)   M  
M280C8 32 68 68 32 280 108 2.2 (.087) 11.0 (.433)   M  
M290C8 37 73 73 37 290 108 2.9 (.114) 11.15 (.439)   M  
M304C6 46 78 78 46 304 106 4.0 (.157) 12.15 (.479)   M  

M308C8 (E11)

46

 82 82 46

308

108

3.7 (.146)

11.8 (.465)

 0.30 (.012) M  
M310C5 50 80 80 50 310 105 4.4 (.173) 12.0 (.472)   M  
M310C8 47 83 83 47 310 108 4.15 (.163) 12.4 (.488)   M  
M316C7 51 85 85 51 316 107 4.4 (.173) 12.6 (.496)   M  
M308.16 47 81 85 51 308/316 107 4.7 (.185) 12.6 (.496)   M  
M320Z5 56 84 84 56 320 104 5.35 (.211) 12.5 (.492)   M  
M320Z9 56 84 84 56 320 104 4.9 (.193) 12.9 (.508)   M  
M324Z9 58 86 86 58 324 104 5.2 (.205) 12.9 (.508)   M  
M324X3 58 86 86 58 324 104 5.7 (.224) 13.0 (.512)   M  
M324.65 58 86 86 58 324 104 6.0/5.2 (.236)/ (.205) 13.0 (.512)   M  

Schrick (Germany) Cams for CIH engines
(source: , 6.28.2001) 

Cam

 Intake [°] Exhaust [°]

Duration
[°]

Lobe Centers
[°]

Cam Lift
[mm] (inch)

Valve Lift
[mm] (inch)

Index R=retard A=advance [°]

 Type
M=mech
H=hydra 		Lift @ TDC
[mm] (inch)

Open
BTDC

Close
ABDC

Open
BTDC

Close
ABDC

P/N
031 01 040-00

45

79

79

45

304

107

7.1  (.280)

10.6 (.417)

0

 M 2.9 (.114)
Kent (England) Cams for CIH engines (Vauxhall)
(source: , 11.9.2001) 
Cam Intake [°] Exhaust [°] Duration
[°] 		Lobe Centers
[°] 		Cam Lift
[mm] (inch) 		Valve Lift
[mm] (inch) 		Index R=retard A=advance [°] Type
M=mech
H=hydra 		Valve Lash (I/E)
[mm] (inch)
Open
BTDC 		Close
ABDC 		Open
BTDC 		Close
ABDC
OP214 33 65 65 33 278 107 7.43 (.295) 10.89 (.435) A 1 M 0.41 (.016)
OP234 37 63 73 27 280 103 7.43 (.295) 10.89 (.435) 0 M 0.41 (.016)
OP244 42 68 78 32 290 103 7.84 (.310) 11.32 (.455) 0 M 0.56/0.61  (.022/.024)
OP254 47 73 83 37 300 103 8.22 (.325) 12.05 (.475) 0 M 0.56/0.61  (.022/.024)
OP264 52 78 88 42 310 103 8.60 (.340) 12.50 (.500) 0 M 0.56/0.61  (.022/.024)
Enem (Sweden) Cams for CIH engines 
(source: , 4.16.2000) 

Cam

Best Range

  

Duration
[°]

    

 Valve Lift
[mm] (inch)

 

 Type
M=mech H=hydra

Springs

P13

2000-6000

  

276

  

11.2 (.441)

 

H

 STD

Y12

2500-6500

  

288

   11.1 (.437)   H

STD

X1

2500-6500

  

284

 

 11.7 (.460)   H

Special

I10

2500-6500

  

280

 

 10.9 (.430)   M

STD

I10turbo

2500-6500

  

280

 

 10.9 (.430)

 

 M

STD

Y12/P13

2000-6000

  

288

   11.1 (.437)   H

STD

E11

3000-7500

  

308

   11.8 (.465)   M

Special
Crane (USA) Cams for CIH engines (regrind)
(source: , 4.16.2000) 

Cam

 Best Range

  

Duration
[°]

   Valve Lift 
[mm] (inch) 		  Type
M=mech H=hydra 		 

Street

street 

  

290

   11.55 (.455)   M/H  

Rally

rally 

  

300

   12.10 (.476)   M/H  

Race/ Rally

race/rally 

  

324

   12.96 (.510)   M/H