O.E.M.
Audi ADR atmo engines
I-4cyl 1.8L 20v DOHC (DTH/DTH)
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intake
exhaust
camshaft data:
lash ramp
: hydro
hydro
duration @ 0.1mm
: 251°
254°
duration @ 1.0mm
: 210°
210°
valve lift
: 8.70mm
10.40mm
cam lift
:
lobe angle
: 107°
112°
timing @ 1.0mm
: -4° / 34°
38° / -8°
valve lift @ TDC
: 0.70mm
0.45mm
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
: 19kg @ 34.6mm
: 29kg @ 33.1mm
max. load / lift
: 53kg @ 10.0mm
: 63kg @ 11.0mm
REMARKS :
REMARKS :
#
- chilled cast iron camshafts
- supplied with adjustable chain sprocket on the exhaust cam to optimize intake cam timing
(also available with 2 non adjustable chain sprockets at reference cam timing: partnumber 10156xx hydraulic or 10157xx mechanical)