4600339
tarmac rally - race
Opel OHC small block (1.2 > 1.6L)
I-4cyl 1.6L 8v SOHC (RPH/RPH)
intake
exhaust
camshaft data:
lash ramp
: hydro
hydro
duration @ 0.1mm
: 300°
300°
duration @ 1.0mm
: 261°
261°
valve lift
: 11.70mm
11.70mm
cam lift
: 6.60mm
6.60mm
lobe angle
: 105°
105°
timing @ 1.0mm
: 23° / 58°
58° / 23°
valve lift @ TDC
: 3.85mm
3.85mm
parts setup:
cam wheels :
:
:
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
: O.E.M.
: O.E.M.
lower retainer
: O.E.M.
: O.E.M.
exterior spring
: View PAC-E92009
: View PAC-E92009
interior spring
fitted load / length
: 30kg @ 31.5mm
: 30kg @ 31.5mm
max. load / lift
: 79kg @ 13.5mm
: 79kg @ 13.5mm
REMARKS :
REMARKS :
#
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 use in competition engines with independent engine management (throttle position sensor) or carburettors