1032911
hot street - dirt track
Alfa Romeo AR161.02 , AR161.05 220hp
V-6cyl 3.0L 24v QOHC (DTH/DTH)
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intake
exhaust
camshaft data:
lash ramp
: hydro
hydro
duration @ 0.1mm
: 265°
256°
duration @ 1.0mm
: 236°
229°
valve lift
: 11.15mm
10.65mm
cam lift
:
lobe angle
: 106°
106°
timing @ 1.0mm
: 12° / 44°
41° / 8°
valve lift @ TDC
: 2.55mm
2.05mm
parts setup:
cam wheels :
:
:
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
: View PAC-E95009
: View PAC-E95009
interior spring
: View PAC-I99861
: View PAC-I99861
fitted load / length
: 35kg @ 33.5mm
: 35kg @ 33.5mm
max. load / lift
: 98kg @ 12.5mm
: 98kg @ 12.5mm
REMARKS :
REMARKS :
#
- 10309xx: V6 2.5L 24v engines (narrow valve & lobe spacing)
- 10329xx: V6 3.0-3.2L 24v engines (wide valve & lobe spacing)
- steel billet camshafts
#
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 dirt track applications and pro street use with adjustable engine management or carburettors