TECHNICAL DATA
Page
11
allow
-
+2 for distributor tolerances
North
American Specification
Type
Lucos 25D4 or Lucas 45D4
Advance characteristic:
Crankshaft
r.p.m.
Crankshoft degrees
Below
l000
No
advance
at
2000
so
)
at 4000 180)
o
1
22
at
5000
22O
)
L.
at
6000 26'
i
i
:
..
:.,
Direction of rotation from drive end (all)
Clockwise
."
.
.
~.
:
Drive (all)
;
offset dog
Contact breaker gap (all)
.35/.40 (.014/.016 in)'
0
,
.
0
Firing angles
oO,
90°, 180 +g70
+
-
lQ
Cam dwell angle
60'
-
+
3'(25~4), 52'
+4'
(43
8
45D4)
.
.
1-3-4-2
Firing order
Condenser capacity
.18/.23 m.f.d.
COOLING SYSTEM
3
..
...,
,;
'
:..-.
:.?.
"i
,"t%,
%.,...
.
:+.:+XL
>:.;;
,
..,.
C>!
:
.
r:;
,:..:
Centrifu
g
al pump and electric fan
.
L,
.
;...
.+h.,
,.?.
.i.:,..:,
;
;~.;c~+$>>
..;.
.
.
.,
;,?;.?,
operated by thermal switch.
,....~2..I~
:..:
f:;:
Radiator cap relieve valve pressure
'L
.70 kg cm sq (10 ibs in sq)
Thermostat nominal opening
temperature
82'~
-
winter, 74OC
-
summer
Impeller vanes to water pump
hwsing clearance
.508/. 762
mm
(
.020/. 030 in)
Coolin
g
system anti-freeze/inhibitor
Shell safe or union carbide
"LIT
184
"
.
.,
Minimum of 25%
all
the year round
.v:.?
..
More in cold climate (up to
66%
maximum)
,
.,.
Crossflow aluminium
.
,
,:?.-
.
..
.
..
.
Radiator Type
ESPRIT
Issue
04/78
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