5500423
tarmac rally - race
Renault 804 / 812 Alpine A110, R8 Gordini
I-4cyl 1.3L 8v OHV (FT/FT)
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intake
exhaust
camshaft data:
lash ramp
: 0.40mm
0.40mm
duration @ 0.1mm
: 301°
293°
duration @ 1.0mm
: 258°
250°
valve lift
: 11.20mm
10.80mm
cam lift
: 7.00mm
6.75mm
lobe angle
: 105°
105°
timing @ 1.0mm
: 24° / 54°
50° / 20°
valve lift @ TDC
: 4.10mm
3.65mm
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-E99859
: View PAC-E99859
interior spring
: View PAC-I99859
: View PAC-I99859
fitted load / length
: 37kg @ 35.0mm
: 35kg @ 35.6mm
max. load / lift
: 107kg @ 13.0mm
: 104kg @ 13.0mm
REMARKS :
#
check std valve spring setup for coil bind length and use valve spring kit if required
REMARKS :
#
- cam lobe sequence: IE-IE-IE-IE (crossflow head)
- total length: 384mm
- double chain
- journal diameters: 37.94 - 37.94 - 37.94 - 37.94mm
- available in steel billet only
#
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