7604104
tarmac rally - race
Volkswagen CBT,CBU 170hp (07K) vvt in
I-5cyl 2.5L 20v DOHC
Save to PDF
intake
exhaust
camshaft data:
lash ramp
: 0.30mm
0.33mm
duration @ 0.1mm
: 302°
300°
duration @ 1.0mm
: 253°
249°
valve lift
: 12.65mm
12.10mm
cam lift
: 7.50mm
7.15mm
lobe angle
: 127° (84°)
106°
timing @ 1.0mm
: -1° / 74°
51° / 18°
valve lift @ TDC
: 1.25mm (6.80mm)
3.30mm
parts setup:
cam wheels :
:
:
follower
: View CC084
: View CC084
valve lash
: View TS103
: View TS103
valve
: O.E.M.
: O.E.M.
valve locks
: O.E.M.
: O.E.M.
upper retainer
: View 99545/s
: View 99545/s
lower retainer
: View 99548/O
: View 99548/O
exterior spring
: View PAC-E99865
: View PAC-E99865
interior spring
: View PAC-I99865
: View PAC-I99865
fitted load / length
: 30kg @ 31.0mm
: 32kg @ 30.4mm
max. load / lift
: 79kg @ 13.5mm
: 79kg @ 12.9mm
REMARKS :
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
#
VVT reprogramming, operating range adjustment or even eliminating the VVT system should be considered for camshafts with increased duration
#
ONLY for use in competition engines with independent engine management (throttle position sensor) or carburettors
#
Valve clearance is indicated at valve tip. For measurements between cam and follower, the indicated valve clearance should be divided by the rocker ratio
#
valve seals must be lowered. Distance between valve seal and retainer must be at least 0.6mm at full lift.