3701208
tarmac rally - race
Mazda B6 /turbo hydraulic cam followers
I-4cyl 1.6L 16v DOHC (DTH/DTH)
intake
exhaust
camshaft data:
lash ramp
: hydro
hydro
duration @ 0.1mm
: 264°
258°
duration @ 1.0mm
: 236°
230°
valve lift
: 11.15mm
10.65mm
cam lift
:
lobe angle
: 106°
106°
timing @ 1.0mm
: 12° / 44°
41° / 9°
valve lift @ TDC
: 2.55mm
2.05mm
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-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
#
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