Specifications
E
N
G
I
N
E
TUNING
D
A
T
A
105
I
V8 PETROL ENGINE TUNING DATA
(with 4
-
speed gearbox and without electronic ignition)
ENGINE
Compression ratio..
..............................................
Firing order
........................................................
Left bank ........................................................
Right bank ......................................................
Compression pressure (minimum)
...........................
Timing marks.
.....................................................
Valve clearance..
.................................................
Valve timing:
Inlet opens ......................................................
Inlet closes
......................................................
Inlet duration..
.................................................
Inlet peak
.......................................................
Exhaust opens..
................................................
Exhaust peak
...................................................
Cylinder numbering system, front to rear:
....
.
1
Exhaust closes..
................................................
Exhaust duration
..............................................
.I.
,'
..
9.35:l
or
8.13:l
Dependent upon market
1--&-4-=5-7-2
1
-
3
-
5
-
7
2-8
9,5
kgf cm2
(135
lbf in')
On
crankshaft pulley vibration damper
Not adjustable
36
"
B.T.D.C.
64
"
A.B.D.C.
280"
99
"
A.T.D.C.
74
"
B.B.D.C.
26
"
A.T.D.C.
280
"
119"
B.T.D.C.
CARBURETTERS
Type
.................................................................
European Australian .........................................
Other markets
-
non
-
emission
............................
Australian
.......................................................
Other markets
-
non
-
emission
............................
-
emission
..................................
Australian
.......................................................
Other markets
-
non
-
emission ............................
-
emission ..................................
Fast idle speed (engine hot)
....................................
Mixture setting
-
CO
at idle:
Australian
.......................................................
Other markets
..................................................
Needle:
Idle speed (engine hot):
IGNITION
Coil makehype
....................................................
Primary resistance at 20°C
(68°F)
.............................
Consumption, ignition on, at
2000
rpm
.....................
Sparking plug type
...............................................
Sparking plug gap
................................................
Ignition timing, dynamic or static..
...........................
Fuel octane rating Australia..
.................................
Non
-
emission
.............................
Emission ...................................
Engine idle speed..
...............................................
Two Solex
175 CDSE
175 CD3
BIFH
BIFQ
BIFK
700
-
750 rpm (run
-
in)
550
-
650
rpm
(new engine)
550
-
650
rpm
700
-
750 rpm (run
-
in)
550
-
650 rpm (new engine)
1050
-
1150
rpm
2%
-
3.5%
Pulsair connected
1
.WO
-
3% Pulsair connected
AC Delco with ballast resistor
1.2
-
1.4 ohms
1
amp
Champion
N12Y or Unipart GSP131
0,71
-
0,84 mm (0.028
-
0.033 in)
5
"
to 7"B.T.D.C.
97 RON minimum
97 RON minimum
90 RON minimum
750
rpm maximum with vacuum pipe disconnected
1