7900530
tarmac rally - race
Volvo B234
I-4cyl 2.3L 16v DOHC (DTH/DTH)
intake
exhaust
camshaft data:
lash ramp
: 0.25mm
0.25mm
duration @ 0.1mm
: 305°
301°
duration @ 1.0mm
: 262°
254°
valve lift
: 13.00mm
12.50mm
cam lift
:
lobe angle
: 106°
106°
timing @ 1.0mm
: 25° / 57°
53° / 21°
valve lift @ TDC
: 4.40mm
3.90mm
parts setup:
cam wheels :
: View CTVO023
: View CTVO023
follower
: View CC005
: View CC005
valve lash
: View TS102
: View TS102
valve
: O.E.M.
: O.E.M.
valve locks
: O.E.M.
: O.E.M.
upper retainer
: View 99322/s
: View 99322/s
lower retainer
: View 99475/O
: View 99475/O
exterior spring
: View PAC-E95009
: View PAC-E95009
interior spring
: View PAC-I95009
: View PAC-I95009
fitted load / length
: 35kg @ 35.0mm
: 37kg @ 34.5mm
max. load / lift
: 115kg @ 14.5mm
: 115kg @ 14.0mm
REMARKS :
REMARKS :
#
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