4600733
hot street - dirt track
Opel C20XE without distributor (DIS)
I-4cyl 2.0L 16v DOHC (DTH/DTH)
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intake
exhaust
camshaft data:
lash ramp
: hydro
hydro
duration @ 0.1mm
: 274°
274°
duration @ 1.0mm
: 236°
236°
valve lift
: 12.00mm
12.00mm
cam lift
:
lobe angle
: 110°
110°
timing @ 1.0mm
: 8° / 48°
48° / 8°
valve lift @ TDC
: 2.00mm
1.95mm
parts setup:
cam wheels :
: View CTOP031
: View CTOP031
follower
: O.E.M.
: O.E.M.
valve lash
: O.E.M.
: O.E.M.
valve
: O.E.M.
: O.E.M.
valve locks
: O.E.M.
: O.E.M.
upper retainer
: View 99341
: View 99341
lower retainer
: remove
: remove
exterior spring
: View PAC-E92009
: View PAC-E92009
interior spring
: View PAC-I92009
: View PAC-I92009
fitted load / length
: 33kg @ 33.5mm
: 33kg @ 33.5mm
max. load / lift
: 96kg @ 12.5mm
: 96kg @ 12.5mm
REMARKS :
#
replace OEM lower retainer to obtain a correct installation / fitted length (currently not available)
REMARKS :
#
- profiles for use with original hydraulic cam followers
#
FOR COMPETITION APPLICATIONS ONLY. Following details must be verified:
-
the camshafs must turn smooth in the cylinderhead, provide free travel by machining where needed
-
distance between valve seal and retainer at full lift must be 0.6mm at least
-
minimum valve spring travel of 1.0mm at full lift must be provided
-
distance between valve and piston 1.0mm (pref. 1.5mm). check 5-15° before TDC on exhaust, and after TDC on intake
#
ONLY for dirt track applications and pro street use with adjustable engine management or carburettors