I remember someone asked a little while about the camshaft specs a little while ago, I just dont remember who that was.
This is what I have found:
Ohc engine camshaft data
Inlet Exhaust
Opens Closes Deg Opens Closes Deg Overlap Lift
E18NV 22.0 61.0 263 67.0 33.0 280 55.0 9.80
18SE 23.0 71.0 274 60.0 35.0 275 58.0 11.00
C20NE 23.0 71.0 274 60.0 35.0 275 58.0 11.00
20SEH 17.5 76.5 274 58.5 35.5 274 53.0 11.00
13S ohc 24.0 78.0 282 68.0 36.0 284 60.0 9.78
12S ohv 48.0 90.0 318 70.0 30.0 280 78.0 9.78
Hope this helps!
Formatting is a bit off. but here is the link: http://www.opeltuners.com/miscdata/ohccams.html
C20NE/C20NZ Camshaft specs
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C20NE/C20NZ Camshaft specs
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2002 Lanos 1.5 SOHC... stock!!!