1900124
hot street - dirt track
Audi NM atmospheric
I-5cyl 2.0L 20v DOHC (DTH/DTH)
intake
exhaust
camshaft data:
lash ramp
: 0.35mm
0.35mm
duration @ 0.1mm
: 289°
289°
duration @ 1.0mm
: 239°
239°
valve lift
: 10.35mm
10.35mm
cam lift
: 7.25mm
7.25mm
lobe angle
: 108°
108°
timing @ 1.0mm
: 11° / 48°
47° / 12°
valve lift @ TDC
: 2.55mm
2.55mm
parts setup:
cam wheels :
:
:
follower
:
:
valve lash
:
:
valve
:
:
valve locks
:
:
upper retainer
: not available
: not available
lower retainer
: not available
: not available
exterior spring
: not available
: not available
interior spring
fitted load / length
: 0kg @ 0.0mm
: 0kg @ 0.0mm
max. load / lift
: 0kg @ 0.0mm
: 0kg @ 0.0mm
REMARKS :
#
original valve spring info is not available
#
valve spring kit can be developed on request
REMARKS :
#
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