(Source: eGroup "classicopels" of OANA, 16.4.2000)    
GT Cam Specs
-


Opel std camshafts data

Engine

Timing [°]

Duration
(I/E)
[°]

Overlap
[°]

Valve lift
[mm]

Phasing

Cam lift
[mm]

Type
(M=mechanical,
H=hydraulical)

Mark

Inlet
open
before
OT

Inlet
closed
after
UT

Exhaust
open
before
UT

Exhaust
closed
after
OT

17N, 15N

34

76

70

28

290/278

62

 

timing
straight up

 

M

 

17N

44

86

84

46

310

90

9.95
(.392")

1° in retard

 

M

 

19S/H, 17S

40

88

80

48

308

88

 

4° in retard

6.55

 

A/--

19N

44

86

84

46

310

90

9.95
(.392")

1° in retard

 

 

 

19E

44

88

84

48

312

92

10.983

 

7.2

H

C/green

20N, 20S

32

90

72

50

302

82

10.467
(.412")

9° in retard

 

H

 

20E

34

88

74

48

302

82

10.467
(.412")

7° in retard

6.86

H

R/green
brown

22E

28

77

66

39

285

67

 

5,5° in retard

 

H

 

25E

40

88

80

48

308

88

 

 

6.32

H

B/white

30E

32

90

72

50

302

82

 

 

6.86

H

K/green
brown



Risse Cams for CIH engines
(source: Erich Ortmeier, 16.9.2000) 

Cam

Duration
[°]

Spreading
[°]

Lift
[mm]

Lift in TDC
[mm]

Cam: symmetric
Clearance of valves in OT: 1.5-2.5 mm
Needed springs: 120kp
Lenght of installed springs
Inlet: 39.5-40.5 mm
Outlet: 41.5-42.5 mm
Color marks of springs
Inlet: white/pink
Outlet: yellow/red/pink
Ventilspiel cold: 30/30

E11

308

108

11.8

3.7

E11

 

 

 

 

308

108

11,8

3,7



Schrick Cams for CIH engines
(source: Schrick, 28.6.2001) 

Cam

 

 

 

 

Duration
[°]

Spreading
[°]

Lift
[mm]

Lift in TDC
[mm]

031 Opel cast iron head
01 one shaft in head
04 duration
0 mechanical valve train
-
00 version

Artikelnummer
031 01 040-00

45

79

79

45

304

107

10,6

2,9

Nockenhub: 7,1 mm


Some Enem (Sweden) cams to CIH-engine specifically for street use
(note: old information, check news from http://www.enem.se)

Cam

Best Range

Duration
[°]

Lift
[mm]

Springs

Type
(M=mechanical, H=hydraulical)

P13

2000-6000

276

11.2 (.441")

STD

H

Y12

2500-6500

288

11.1 (.437")

STD

H

X1

2500-6500

284

11.7 (.460")

Special

H

I10

2500-6500

280

10.9 (.430")

STD

M

I10turbo

2500-6500

280

10.9 (.430")

STD

M

Y12/P13

2000-6000

288

11.1 (.437")

STD

H

E11

3000-7500

308

11.8 (.465")

Special

M


Other cams

Cam

Best Range

Duration
[°]

Lift (I/E)
[mm]

OP234 Kent Cams

2000-6000

280

10.89mm (.430")

OP244 Kent Cams

2500-7000

290

11.35mm/11.30mm

Crane

street

290

11.55mm (.455")

OP254 Kent Cams

3000-7500

300

11.93mm/11.88mm

Crane

rally

300

12.10mm (.476")

OP264 Kent Cams

4000-8000

310

12.52mm/12,47mm

Crane

race/rally

324

12.96mm (.510")