1301415
hot street - dirt track
Bmw M42 6mm valves
I-4cyl 1.8L 16v DOHC (DTH/DTH)
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intake
exhaust
camshaft data:
lash ramp
: hydro
hydro
duration @ 0.1mm
: 279°
274°
duration @ 1.0mm
: 243°
236°
valve lift
: 11.50mm
10.95mm
cam lift
:
lobe angle
: 108°
108°
timing @ 1.0mm
: 14° / 49°
46° / 10°
valve lift @ TDC
: 2.70mm
2.20mm
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
: View PAC-S99843
: View PAC-S99843
interior spring
fitted load / length
: 37kg @ 37.2mm
: 37kg @ 37.2mm
max. load / lift
: 98kg @ 14.0mm
: 98kg @ 14.0mm
REMARKS :
REMARKS :
#
- steel billet camshafts
- gundrilled for weight reduction
- for engines with 6mm valve stems (from 2000)
#
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
#
ONLY for dirt track applications and pro street use with adjustable engine management or carburettors