4903110
hot street - dirt track
Citroën XU10J4RS 167hp
I-4cyl 2.0L 16v DOHC (DTH/DTH)
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intake
exhaust
camshaft data:
lash ramp
: hydro
hydro
duration @ 0.1mm
: 283°
275°
duration @ 1.0mm
: 247°
239°
valve lift
: 11.50mm
11.50mm
cam lift
:
lobe angle
: 108°
108°
timing @ 1.0mm
: 16° / 51°
48° / 11°
valve lift @ TDC
: 3.00mm
2.45mm
parts setup:
cam wheels :
: View CTPE003
: View CTPE003
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 99317/s
: View 99317/s
lower retainer
: remove
: remove
exterior spring
: View PAC-E92009
: View PAC-E92009
interior spring
: View PAC-I92009
: View PAC-I92009
fitted load / length
: 34kg @ 34.0mm
: 36kg @ 33.5mm
max. load / lift
: 103kg @ 14.0mm
: 103kg @ 13.5mm
REMARKS :
#
Inlet Valves:
#
View9249001 d6.00 // D34.1 // L106.4
#
Exhaust Valves:
#
View9249002 d6.00 // D30.8 // L105.4
#
REMARKS :
#
- cast iron camshafts
- groove on exhaust camshaft
#
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