4603251
tarmac rally - race
Opel L850
I-4cyl 2.2L 16v DOHC (RPRH/RPRH)
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intake
exhaust
camshaft data:
lash ramp
: 0.15mm
0.15mm
duration @ 0.1mm
: 290°
290°
duration @ 1.0mm
: 243°
243°
valve lift
: 11.65mm
11.65mm
cam lift
: 11.65mm
11.65mm
lobe angle
: 105°
105°
timing @ 1.0mm
: 16° / 47°
47° / 16°
valve lift @ TDC
: 2.85mm
2.85mm
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-E99862
: View PAC-E99862
interior spring
fitted load / length
: 35kg @ 33.5mm
: 35kg @ 33.5mm
max. load / lift
: 87kg @ 12.0mm
: 87kg @ 12.0mm
REMARKS :
#
check coil bind for 1mm free travel and remove/modify lower retainer (with integrated valve seal) if required
REMARKS :
#
convert O.E.M. hydraulic rocker arm stud to mechanic by fitting solid element
#
negative radius cam design for improved midrange torque
#
ONLY for use in competition engines with independent engine management (throttle position sensor) or carburettors