7604106
turbo conversion
Volkswagen CBT,CBU 170hp (07K) vvt in
I-5cyl 2.5L 20v DOHC
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intake
exhaust
camshaft data:
lash ramp
: 0.25mm
0.25mm
duration @ 0.1mm
: 292°
286°
duration @ 1.0mm
: 246°
231°
valve lift
: 11.00mm
10.25mm
cam lift
: 6.55mm
6.10mm
lobe angle
: 127° (84°)
115°
timing @ 1.0mm
: -4° / 70°
50° / 1°
valve lift @ TDC
: 0.95mm (5.71mm)
1.30mm
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
#
for TURBO conversion (atmospheric to turbo)
#
Valve clearance is indicated at valve tip. For measurements between cam and follower, the indicated valve clearance should be divided by the rocker ratio