3701259
hot street - dirt track
Mazda B6 /turbo hydraulic cam followers
I-4cyl 1.6L 16v DOHC (DTH/DTH)
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intake
exhaust
camshaft data:
lash ramp
: 0.25mm
0.25mm
duration @ 0.1mm
: 257°
257°
duration @ 1.0mm
: 221°
221°
valve lift
: 10.30mm
10.30mm
cam lift
:
lobe angle
: 108°
108°
timing @ 1.0mm
: 3° / 38°
39° / 2°
valve lift @ TDC
: 1.55mm
1.50mm
parts setup:
cam wheels :
:
:
follower
: View CC017
: View CC017
valve lash
: View TS102
: View TS102
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-S90015
: View PAC-S90015
interior spring
fitted load / length
: 25kg @ 39.5mm
: 25kg @ 39.5mm
max. load / lift
: 73kg @ 13.0mm
: 73kg @ 13.0mm
REMARKS :
#
if required, use extra shims to increase spring load
REMARKS :
#
camshafts for use in 1598cc B6 engines:
- long intake camshaft with sleeve for distributor drive
- short exhaust camshaft
#
massflow or throttle position sensor required for reprogramming, MAP sensor will not funtion properly
#
31mm cam followers are required
#
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