O.E.M.
Porsche 944 S2
I-4cyl 3.0L 16v DOHC (DTH/DTH)
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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
:
lobe angle
: 115°
113°
timing @ 1.0mm
: -3° / 47°
40° / -7°
valve lift @ TDC
: 0.75mm
0.50mm
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 :
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steel billet camshafts
- 52202xx: camshafts for use in 944 S2 engine (19 teeth, no VVT tensioner, hydraulic tappets)
- 52212xx: camshafts for use in 944 S2 engine (19 teeth, no VVT tensioner, mechanical tappets)
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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.