1300651
tarmac rally - race
Bmw S14 (23 4 EA) 195hp
I-4cyl 2.3L 16v DOHC (DTs/DTs)
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intake
exhaust
camshaft data:
lash ramp
: 0.25mm
0.25mm
duration @ 0.1mm
: 303°
293°
duration @ 1.0mm
: 268°
258°
valve lift
: 13.45mm
12.75mm
cam lift
:
lobe angle
: 104°
104°
timing @ 1.0mm
: 30° / 58°
53° / 25°
valve lift @ TDC
: 5.25mm
4.50mm
parts setup:
cam wheels :
:
:
follower
: View CC010
: View CC010
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
: View 99322
lower retainer
: remove
: remove
exterior spring
: View PAC-E95009
: View PAC-E95009
interior spring
: View PAC-I95009
: View PAC-I95009
fitted load / length
: 39kg @ 35.0mm
: 39kg @ 35.0mm
max. load / lift
: 118kg @ 14.5mm
: 118kg @ 14.5mm
REMARKS :
REMARKS :
#
These camshafts can be used in following engines (different valves are used, please contact Cat Cams in case of doubt):
- S14 (23 4 EA), 2302cc, 195hp
- S14 (23 4 S2), 2302cc, 215hp
- S14 (25 4 S1), 2467cc, 238hp
#
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
#
These profiles require race cam followers with shim between cam follower and valve (shim under follower). It is not possible to use these profiles on std cam followers with the shim between the follower and the cam (shim over follower).
#
if required, machine cylinder head and / or use solid shims to adjust spring load
#
ONLY for use in competition engines with independent engine management (throttle position sensor) or carburettors