2503003
hot street - dirt track
Audi NM atmospheric
I-5cyl 2.0L 20v DOHC (DTH/DTH)
intake
exhaust
camshaft data:
lash ramp
: 0.33mm
0.35mm
duration @ 0.1mm
: 282°
275°
duration @ 1.0mm
: 234°
224°
valve lift
: 10.95mm
9.70mm
cam lift
: 6.10mm
5.55mm
lobe angle
: 108°
108°
timing @ 1.0mm
: 9° / 45°
41° / 3°
valve lift @ TDC
: 2.20mm
1.60mm
parts setup:
cam wheels :
:
:
follower
:
:
valve lash
:
:
valve
:
:
valve locks
:
:
upper retainer
:
:
lower retainer
:
:
exterior spring
:
:
interior spring
fitted load / length
: 17kg @ 42.3mm
: 17kg @ 42.6mm
max. load / lift
: 45kg @ 10.0mm
: 33kg @ 9.5mm
REMARKS :
REMARKS :
#
camshafts for use in early L15A engine with separate exhaust header
#
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!
#
double carburettors or throttle bodies with free programmable ECU advised