4000404
tarmac rally - race
Mercedes M103.980
I-6cyl 3.0L 12v SOHC (RP/RP)
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intake
exhaust
camshaft data:
lash ramp
: hydro
hydro
duration @ 0.1mm
: 294°
293°
duration @ 1.0mm
: 252°
251°
valve lift
: 10.70mm
10.75mm
cam lift
: 7.25mm
7.30mm
lobe angle
: 105°
105°
timing @ 1.0mm
: 18° / 54°
53° / 18°
valve lift @ TDC
: 3.05mm
2.95mm
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
: View INFO
: View INFO
exterior spring
: View PAC-E19859
: View PAC-E19859
interior spring
: View PAC-I19859
: View PAC-I19859
fitted load / length
: 44kg @ 33.5mm
: 44kg @ 33.5mm
max. load / lift
: 118kg @ 13.0mm
: 118kg @ 13.0mm
REMARKS :
#
Remove lower spring retainer and replace by shim to obtaine an installed height of 33.5mm
REMARKS :
#
please contact Cat Cams
#
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