7607224
tarmac rally - race
Volkswagen AAA
VR-6cyl 2.8L 12v DOHC (DTH/DTH)
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intake
exhaust
camshaft data:
lash ramp
: hydro
hydro
duration @ 0.1mm
: 298°
298°
duration @ 1.0mm
: 258°
258°
valve lift
: 12.50mm
12.50mm
cam lift
:
lobe angle
: 108°
108°
timing @ 1.0mm
: 21° / 57°
57° / 21°
valve lift @ TDC
: 3.75mm
3.75mm
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-E99860
: View PAC-E99860
interior spring
: View PAC-I99860
: View PAC-I99860
fitted load / length
: 31kg @ 33.0mm
: 31kg @ 33.0mm
max. load / lift
: 99kg @ 13.0mm
: 99kg @ 13.0mm
REMARKS :
#
check interference between valve seal and retainer over 10,5mm lift
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
#
stand alone ECU based on throttle position sensor required