1031575
tarmac rally - race
Alfa Romeo AR 322.01 144hp, VVT intake
I-4cyl 1.7L 16v DOHC (DTH/DTH)
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intake
exhaust
camshaft data:
lash ramp
: 0.20mm
0.20mm
duration @ 0.1mm
: 290°
282°
duration @ 1.0mm
: 252°
244°
valve lift
: 12.00mm
11.50mm
cam lift
:
lobe angle
: 105°
105°
timing @ 1.0mm
: 21° / 51°
47° / 17°
valve lift @ TDC
: 3.90mm
3.30mm
parts setup:
cam wheels :
: View CTAR001
: View CTAR001
follower
: View CC002
: View CC002
valve lash
: View TS102
: View TS102
valve
: O.E.M.
: O.E.M.
valve locks
: O.E.M.
: O.E.M.
upper retainer
: View 99371
: View 99371
lower retainer
: O.E.M.
: O.E.M.
exterior spring
: View PAC-E92009
: View PAC-E92009
interior spring
: View PAC-I92009
: View PAC-I92009
fitted load / length
: 39kg @ 33.0mm
: 39kg @ 33.0mm
max. load / lift
: 100kg @ 12.5mm
: 100kg @ 12.5mm
REMARKS :
REMARKS :
#
camshafts for use with STD VVT (vanos) system
#
- valve clearance is to be adjusted using mechanical lash caps
-
please make sure that the lash cap does not touch the valve locks !
#
FOR COMPETITION APPLICATIONS ONLY. Following details must be verified:
-
the camshafs must turn smooth in the cylinderhead, provide free travel by machining where needed
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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