6100014
hot street - dirt track
Renault F4R.874 Mégane III 250hp
I-4cyl 2.0L 16v DOHC (RPRH/RPRH)
intake
exhaust
camshaft data:
lash ramp
: 0.20mm
0.20mm
duration @ 0.1mm
: 291°
291°
duration @ 1.0mm
: 253°
253°
valve lift
: 10.75mm
10.75mm
cam lift
:
lobe angle
: 108°
108°
timing @ 1.0mm
: 18° / 55°
54° / 19°
valve lift @ TDC
: 3.25mm
3.30mm
parts setup:
cam wheels :
: View INFO
: View INFO
follower
:
:
valve lash
:
:
valve
: 834688
: 836229
valve locks
:
:
upper retainer
:
:
lower retainer
:
:
exterior spring
:
:
interior spring
fitted load / length
: 26kg @ 40.0mm
: 26kg @ 40.0mm
max. load / lift
: 78kg @ 11.5mm
: 78kg @ 11.5mm
REMARKS :
REMARKS :
#
- steel billet camshafts
- bearing diameters: 28.94mm (attention: some engines have 25.94mm bearings!)
- all camshafts have a distributor sleeve
#
Distance between valve and piston should be 1.0mm at least:
-
check 5-15° after TDC on intake
-
check 5-15° before TDC on exhaust
Machine pistons if required. Wrong installation can cause severe engine damage!
#
double carburettors or throttle bodies with free programmable ECU advised