2505103
hot street - dirt track
Honda J30A4
V-60°-6cyl 3.0L 24v SOHC
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intake
exhaust
camshaft data:
lash ramp
: 0.33mm
: 0.35mm
duration @ 0.1mm
: 306°
(254)
: 288°
(288)
duration @ 1.0mm
: 252°
(200)
: 239°
(239)
valve lift
: 12.25mm
(9.75)
: 11.75mm
(11.75)
cam lift
: 7.35mm
(5.80)
: 7.30mm
(7.30)
lobe angle
: 105°
(105)
: 109°
(109)
timing @ 1.0mm
: 21° / 51°
: 49° / 10°
valve lift @ TDC
: 3.60mm
(0.95)
: 2.35mm
(2.35)
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
: View 99446/s
: View 99446/s
lower retainer
: View 99447/O
: View 99447/O
exterior spring
: View PAC-S90013
: View PAC-S90013
interior spring
fitted load / length
: 24kg @ 34.0mm
: 24kg @ 34.0mm
max. load / lift
: 71kg @ 12.0mm
: 71kg @ 12.0mm
REMARKS :
REMARKS :
#
ONLY for dirt track applications and pro street use with adjustable engine management or carburettors
#
Distance between valve and piston should be 1.0mm at least:
-
check 5-15° after TDC on intake
-
check 5-15° before TDC on exhaust
Machine pistons if required. Wrong installation can cause severe engine damage!