6100026
tarmac rally - race
Saab 99 EMS
I-4cyl 2.0L 8v SOHC (DT/DT)
intake
exhaust
camshaft data:
lash ramp
: 0.25mm
0.20mm
duration @ 0.1mm
: 292°
299°
duration @ 1.0mm
: 258°
256°
valve lift
: 14.00mm
13.25mm
cam lift
:
lobe angle
: 104°
104°
timing @ 1.0mm
: 25° / 53°
52° / 24°
valve lift @ TDC
: 4.95mm
4.45mm
parts setup:
cam wheels :
: View INFO
: View INFO
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
: View 99360
: View 99360
lower retainer
: remove
: remove
exterior spring
: View PAC-E29891
: View PAC-E29891
interior spring
: View PAC-I29891
: View PAC-I29891
fitted load / length
: 45kg @ 42.0mm
: 45kg @ 42.0mm
max. load / lift
: 124kg @ 15.5mm
: 124kg @ 15.5mm
REMARKS :
#
if required, machine cylinder head and / or use solid shims to adjust spring load
REMARKS :
#
- steel billet camshafts
- bearing diameters: 28.94mm (attention: some engines have 25.94mm bearings!)
- all camshafts have a distributor sleeve
#
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