1302146
tarmac rally - race
Bmw M10 B18 105hp
I-4cyl 1.8L 8v SOHC (RP/RP)
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intake
exhaust
camshaft data:
lash ramp
: 0.20mm
0.20mm
duration @ 0.1mm
: 318°
318°
duration @ 1.0mm
: 280°
280°
valve lift
: 12.10mm
12.10mm
cam lift
: 9.65mm
9.65mm
lobe angle
: 104°
104°
timing @ 1.0mm
: 36° / 64°
64° / 36°
valve lift @ TDC
: 5.15mm
5.15mm
parts setup:
cam wheels :
:
:
follower
: View INFO
: View INFO
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 99326
: View 99326
lower retainer
: not available
: not available
exterior spring
: View PAC-E95009
: View PAC-E95009
interior spring
: View PAC-I95009
: View PAC-I95009
fitted load / length
: 40kg @ 34.0mm
: 40kg @ 34.0mm
max. load / lift
: 111kg @ 13.0mm
: 111kg @ 13.0mm
REMARKS :
#
larger excenter discs (part number "99019" - D18mm) available to adjust valve clearance for camshafts with reduced cam base diameter
#
Cat Cams steel billet rocker arms (part number "CAT021") are strongly advised for use over 7000rpm
REMARKS :
#
Please use the correct part number code for your engine:
- 13001xx: small bearing (42.95mm-41.95mm-34.95mm), right gear
- 13002xx: small bearing (42.95mm-41.95mm-34.95mm), left gear
- 13021xx: big bearing (44.95mm-43.95mm-34.95mm), right gear
- 13022xx: big bearing (44.95mm-43.95mm-34.95mm), left gear
left right gear.jpg Difference between left and right gear
Cam lobes can be drilled for extra lubrification (on request, on steel billet cams)
BMW_M10-M30_rocker_arm.gif NOW AVAILABLE: CATCAMS steel billet rocker arms (coated) with original Mahle valve adjustment screws !!!
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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
#
if required, machine cylinder head and / or use solid shims to adjust spring load
#
ONLY for use in competition engines with independent engine management (throttle position sensor) or carburettors
#
We have two types of adjustable cam sprockets available:
-
ViewTBM010: single chain
-
ViewTBM012: double chain