2501915
sport
Honda K20A
I-4cyl 2.0L 16v DOHC (RPR/RPR)
intake
exhaust
camshaft data:
lash ramp
: 0.30mm
: 0.30mm
duration @ 0.1mm
: 329°
(275-263)
: 316°
(275-263)
duration @ 1.0mm
: 258°
(205-193)
: 248°
(205-192)
valve lift
: 12.50mm
(9.00-8.00)
: 11.50mm
(9.00-8.00)
cam lift
: 7.20mm
(5.25-4.65)
: 6.65mm
(5.25-4.70)
lobe angle
: 105°
(110-110)
: 105°
(110-110)
timing @ 1.0mm
: 23° / 55°
: 49° / 19°
valve lift @ TDC
: 3.85mm
(0.80-0.60)
: 3.10mm
(0.90-0.70)
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
:
O.E.M.
fitted load / length
: 32kg @ 40.5mm
: 33kg @ 40.5mm
max. load / lift
: 82kg @ 12.5mm
: 86kg @ 11.5mm
REMARKS :
REMARKS :
#
-Use adjustable sprocket "THO025" to disable the intake VVT system
-Check interference between cam and rocker arm, modify rocker arm if required