O.E.M.
Porsche 968
I-4cyl 3.0L 16v DOHC
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intake
exhaust
camshaft data:
lash ramp
: hydro
hydro
duration @ 0.1mm
: 265°
262°
duration @ 1.0mm
: 224°
213°
valve lift
: 11.00mm
9.80mm
cam lift
: 11.00mm
9.80mm
lobe angle
: 110°
110°
timing @ 1.0mm
: 2° / 42°
37° / -4°
valve lift @ TDC
: 1.20mm
0.70mm
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
: O.E.M.
: O.E.M.
interior spring
fitted load / length
: 28kg @ 38.0mm
: 32kg @ 37.0mm
max. load / lift
: 86kg @ 12.0mm
: 86kg @ 11.0mm
REMARKS :
REMARKS :
#
- 52207xx: camshafts for use in 968 engine (18 teeth, VVT tensioner - centerlines vary, hydraulic tappets)
- 52208xx: camshafts for use in 968 engine (18 teeth, VVT tensioner - centerlines vary, mechanical tappets)
#
The exact valve timing data of the original camshafts are not known. Valve timing data are illustrated on estimated peak angle of 110°. The actual valve timing in the engine may be different, as well as the indicated lift at TDC.