Triumph TR3 - Page 9

GENERAL DATA
Camshaft Bearmgs ...... Front Bearing+xst
iron sleeve
; 2nd,
3rd and 4th
direct in dase.
After Engme No. TS
9095E engines will be
fitted with replace-
able Vandervell
shell
bearings, See
TR3 Supplement
Engine Section
'W'.
Lubricating System...... Wet Sump. Capacity
11 pints.
Oil Pump,
--. -- Hobourn Eaton high
capacity double ec-
centric rotor. Feed
to
main bearings, big
end
bearings and all
camshaft bearings
under pressure.
Oil Pressure ............ 70 lb. S . in. at 2,000
r.p.m.&.9kg.sq.cm.)
Oil Cleaner ............ Purolator by-pass flow
system
with re-
placeable cartridge.
Carburettors
......
Valve Timing ......
......
Cooling System
Pressurised Radiator
Radiator Temperature
Twin S.U. H.4.
Standard needles
W.
For high speed
motoring G.C.
needles.
With valve rocker
clearance set at .015"
(.38 mm.)
Inlet Valve opens at
15" B.T.D.C.
Exhaust Valve closes at
15" A.T.D.C.
15"
is equivalent to
.OS1
" piston travel or
1.5" (3.81 cms.),
measured round the
flywheel adjacent to
the starter teeth.
Dims. on fan pulley
= .72".
Thermostatically con-
trolled.
Pressure release at
3- Ibs.
Normal running should
not exceed 185°F.
Ca acity of Cooling
Qystem ...... 13 pints (7.4 litres).
With Heater
...... 14 pints (8 litres).
Thermostat
............ Commences to o~en
at 150°F. (70"c.):
Fully open at 197°F.
(92°C.).
Frost Precautions
...... With " Smith's Blue-
col
" anti-fieexe mix-
ture. Other brands
as recommended by
their manufacturers.
Degrees of Frost
......
(Fahrenheit) 15" 25" 35"
Proportion
, ...... 10% 15% 20%
Amount of " Bluecd "
(Pints) ...... ...... 1.5 2.5 3
Piston Speed
........... 2,850 ft./min. at 4,800
r.p.m.
(This speed
is equivalent to 100
m.p.h. in
" Normal "
top gear.)
Flywheel
...... ...... Cast Iron with induc-
tion hardened
shrunk-on steel
starter ring gear.
Transmission
Clutch ......
Gearbox ......
Ratios
Overdrive
TOP
Gearbox .82
Overall 3.03
Rear Axle
......
...... Borg and Beck 9"
single
dry plate. Hy-
draulically operated.
Ball bearing clutch
throw out.
....- Four forward ratios and
reverse. Synchro-
mesh on 2nd, 3rd and
top forward ratios.
Silent helical gears.
Oil filler combined
with dipstick.
Top 3rd 2nd 1st Rev.
1.00 1.325
2.00
3.38 4.28
3.7 4.9
7.4
12.5 15.8
...... Hypoid Bevel Gears.
Taper roller
bear-
ings on differential
and for Hypoid Pin-
ion Shaft. Ball
bear-
ings for road wheels.
Shim adjustment for
Pinion and Crown
Wheel adjustment.