Specifications

ENGINE TUNING DATA
SPARKING PLUGS
8.0:l compression ratio .........................................
Gap .................................................................. 0,75-0,80mm (0.029-0.032in)
Champion N12Y or Unipart GSP 131
IGNITION COIL
Makehype.. ........................................................ AC Delco 7992188
Primary resistance at 20°C (68°F)
.............................
Consumption - ignition on at engine idle speed .........
3.0 - 3.5 ohms
2.0 amps approx.
CARBURETTER
Makeltype.. ........................................................ Weber 32/34 DMTL
Venturi
.............................................................
Auxiliary Venturi ................................................
Main jet .............................................................
Air correction jet .................................................
Emulsion tube.. ...................................................
Idle jet ..............................................................
Idle CO% ..........................................................
Idle speed - hot.. ................................................
Primary
24
4
110
160
€30
55
1% - 2.5%
600
- 700 rpm
2.5 LITRE PETROL ENGINE TUNING DATA
ENGINE
Firing order ........................................................
Compression pressure (approximately): ....................
Ignition timing dynamic @ 2000 rpm ........................
Static, if no dynamic equipment available ..................
Timing marks. .....................................................
Valve clearance, inlet and exhaust ...........................
Valve timing:
Inlet opens
......................................................
Inlet closes ......................................................
Inlet peak .......................................................
Exhaust opens.. ................................................
Exhaust closes.. ................................................
Exhaust peak ...................................................
DISTRIBUTOR - LUCAS
Type .................................................................
Rotation of rotor .................................................
Contact breaker gap .............................................
Dwell angle ........................................................
Centrifugal advance range .....................................
.,
vacuum advance capsuie range ...............................
Secondary
25
4
115
160
F30
60
1-3-4-2
11,2 kgf cm2 (160 Ibf in2) @ 300 rpm cranking speed
T.D.C. disconnected
On crankshaft pulley
0,25 mm (0.010 in) Engine hot
16 " B.T.D.C. using 90 octane fuel
with vacuum pipe
11" B.T.D.C.
47"A.B.D.C.
108 " A.T.D.C.
46
" B.B.D.C.
18
" A.T.D.C.
104 " B.T.D.C.
With
a 0,38 mm (0.015 in)
valve clearance.
Nominal setting
for
checking only.
Lucas
45D4
Anti - clockwise
0,35 - 0,40 mm (0.014 - 0.016 in)
49
" - 59 "
0" - 1 " at 500 Distributor rpm
18 " - 20 " at 2250 Distributor rpm
0" - M" at 3.5 Hg
11
" - 13 " at 25 Hg
U_.. ,
c
'1.
c': J
6