7640241
hot street - dirt track
Volkswagen hydraulic tappets, 8mm valves, MK-8H
I-4cyl 1.8L 8v SOHC (DTH/DTH)
intake
exhaust
camshaft data:
lash ramp
: 0.20mm
0.20mm
duration @ 0.1mm
: 284°
284°
duration @ 1.0mm
: 244°
244°
valve lift
: 11.50mm
11.50mm
cam lift
:
lobe angle
: 110°
110°
timing @ 1.0mm
: 12° / 52°
52° / 12°
valve lift @ TDC
: 2.70mm
2.65mm
parts setup:
cam wheels :
: View CCR3232
: View CCR3232
follower
: View CC005
: View CC005
valve lash
: View TS103
: View TS103
valve
: O.E.M.
: O.E.M.
valve locks
: O.E.M.
: O.E.M.
upper retainer
: View 99320
: View 99320
lower retainer
: remove
: remove
exterior spring
: View PAC-E92009
: View PAC-E92009
interior spring
: View PAC-I92009
: View PAC-I92009
fitted load / length
: 32kg @ 34.2mm
: 32kg @ 34.2mm
max. load / lift
: 101kg @ 14.0mm
: 101kg @ 14.0mm
REMARKS :
#
if required, use extra shims to increase spring load
#
use PAC-D12009 (GOLD quality) for applications over 12.5mm valve lift / 8500rpm
REMARKS :
#
to use these camshafts in cylinderheads with hydraulic followers in O.E.M. version:
- change hydraulic followers for mechanical tappets (ref. CC005)
- use cam base circle diameter of maximum 34mm (SPECIFY WHEN ORDERING)
#
Distance between valve and piston should be 1.0mm at least:
-
check 5-15° after TDC on intake
-
check 5-15° before TDC on exhaust
Machine pistons if required. Wrong installation can cause severe engine damage!
#
ONLY for dirt track applications and pro street use with adjustable engine management or carburettors