3700619
sport
Mazda BP Hydraulic cam followers
I-4cyl 1.8L 16v DOHC (DTH/DTH)
intake
exhaust
camshaft data:
lash ramp
: hydro
hydro
duration @ 0.1mm
: 254°
254°
duration @ 1.0mm
: 219°
219°
valve lift
: 10.15mm
10.15mm
cam lift
:
lobe angle
: 108°
108°
timing @ 1.0mm
: 1° / 38°
37° / 2°
valve lift @ TDC
: 1.15mm
1.25mm
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
: 23kg @ 39.5mm
: 23kg @ 39.5mm
max. load / lift
: 70kg @ 10.0mm
: 70kg @ 10.0mm
REMARKS :
#
valve locks and retainer are not interchangeable with the parts of the later BP engines with original mechanical followers.
REMARKS :
#
camshafts for use in 1840cc BP engines with originally hydraulic cam followers (30mm):
- short intake camshaft
- long exhaust camshaft, grooves in cam bearings, slot for distributor drive
#
ECU reprogramming required