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Cobra 427 - Ignition System Adjustments and Settings; Breaker Points; Fuel System Settings; Torque Limits for Engine Components

Cobra 427
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Distributor Number C5AZ-12127-EEZ
Main Metering C4AF-9510-BJ-46F-58F
Advance
Jet Identification C4AF-9510-CU-71 F-74F
r.p.m.
degrees
C4AF-9510-BK·46F-48 F
Centrifugal Advance 650
2i-4
C4AF-9510-CV-71 F-74F
(set test stand to 0
0
750
4 -5+
Float Setting (dry)
Top of float to be
at 2500 r.p.m. and 1000
7!--8+
parallel with top of
O' HG)
1600
n-II
inverted fuel bowl.
2000 I1t-13
(wet) Fuel level at lower
Maximum Advance 16
0
edge of sight plug.
Limit
Initial Idle Mixture
I-It turns open
Vacuum Advance Advance Vacuum
Setting
(set test stand to
r.p.m. degrees
In. HG
Accelerator Pump
Summer-No. I
9
0
at 1000 r.p.m. 1000 2-5
8
Setting
Winter-No.2
andO' HG) 1000
4-7
10
Accelerator Pump
0·015
1000
5t-8t 14
Clearance
(
Maximum Advance
8t
o
Thermostatic Spring
58LI
Identification
BREAKER POINTS
Choke Spring Hous-
At Index Mark
Arm Spring Tension
ing Initial Setting
Fast (cold) Idle
1500 r.p.m.
std. ignition 27-30 oz.
Adjustment
trans. ignition
22-24 oz.
Maximum (hot) Idle 700-800 r.p.m.
Contact Spacing
0'019-0,021
Adjustment
Dwell Angle at Idle
Fuel Pump Static
4t-6t p.s.i.
@
Speed-std. ignition
30-33
0
Pressure
500 r.p.m.
combined
trans. ignition
22-24
0
Standard Spark
COAZ-12405-A
TORQUE LIMITS
Plugs Part Number
(BF-32)
Intake Manifold
32-35 ft.-lbs.
Spark Plug Size 18MM
Exhaust Manifold 12-18 ft-Ibs.
Standard Plug Gap
0,028-0,032
Oil Pan Drain Plug 15-20 ft-Ibs.
Width
Oil Filter
With oil on gasket
Spark Plug Torque
15-20 lbs.jft,
surface, hand tight-
en until gasket
FUEL SYSTEM
contacts adapter
Carburettor C4AF-9510-BJ primary
face; then tighten t
Part Number
C4AF-9510-BKsecond.or
turn more.
C4AF-9510-CU primary Connecting Rod 53-58
C4AF-9510-CV second. Retaining Nut
(
55