5500123
tarmac rally - race
Renault 840.730 R5 Turbo / Maxi Turbo
I-4cyl 1.4L 8v OHV (FT/FT)
Save to PDF
intake
exhaust
camshaft data:
lash ramp
: 0.40mm
0.40mm
duration @ 0.1mm
: 287°
287°
duration @ 1.0mm
: 244°
244°
valve lift
: 10.45mm
10.45mm
cam lift
: 6.50mm
6.50mm
lobe angle
: 110°
110°
timing @ 1.0mm
: 12° / 52°
52° / 12°
valve lift @ TDC
: 2.60mm
2.60mm
parts setup:
cam wheels :
: View TRE012
: View TRE012
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
: 0kg @ 0.0mm
: 0kg @ 0.0mm
max. load / lift
: 0kg @ 0.0mm
: 0kg @ 0.0mm
REMARKS :
#
original valve spring info is not available
REMARKS :
#
- cam lobe sequence: EI-EI-EI-EI (crossflow head)
- total length: 384mm (without water pump drive)
- double chain
- journal diameters: 37.94 - 37.94 - 37.94 - 34.48mm
- 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