5506401
sport
Renault F4R.874 Mégane III 250hp
I-4cyl 2.0L 16v DOHC (RPRH/RPRH)
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intake
exhaust
camshaft data:
lash ramp
: hydro
hydro
duration @ 0.1mm
: 259°
247°
duration @ 1.0mm
: 220°
209°
valve lift
: 9.75mm
9.25mm
cam lift
: 4.95mm
4.70mm
lobe angle
: 120° (124°)
118° (114°)
timing @ 1.0mm
: -10° / 50°
42° / -13°
valve lift @ TDC
: 0.30mm (0.15mm)
0.25mm (0.38mm)
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
: O.E.M.
: O.E.M.
interior spring
fitted load / length
: 20kg @ 34.5mm
: 20kg @ 34.5mm
max. load / lift
: 67kg @ 11.0mm
: 67kg @ 11.0mm
REMARKS :
REMARKS :
#
Camshafts for use in the Megane III turbo 250hp engine.
This engine uses a VVT camshaft on intake (as in the standard configuration)!
#
ECU reprogramming required
#
The VVT system on the intake camshaft changes the cam timing continuously (and so the lift at TDC):
-
1st intake valve: 120° (disengaged)
-
2nd intake valve: 124° (disengaged)
-
1st exhaust valve: 118° (no VVT)
-
2nd exhaust valve: 114° (no VVT)