Chevrolet 10 1971 Series Chassis Service Manual page 455

Engine
Description Distributor
and
Availability-
250 Cu. In. L-6
(145 HP)
>
292 Cu. In. L-6
(165) HP) RPO L-25
307 Cu. In. V-8 (200
HP) 10 Series
307 Cu. In. V-8
(200 HP) 10 Series
307 Cu. In. V-8 (215
HP) 20-30 Series
350 Cu. In. V-8 (250-
255 HP), RPO LS-9
350 Cu. In. V-8 (250-
255 HP), RPO LS-9
402 Cu. In. V-8 (300
HP) RPO L-47
* Refer to Vehicle Emission Control Information Sticker
APPLICATION
L-6 Engines
V-8 Engines
DISTRIBUTORS
Centrifugal
Ignition
Advance
(Crank
(Product
@
Degrees
Part No.)
Engine RPM)
C-4977
1110489
0° @ 930 RPM
2° @ 1270 RPM
14° @ 2300 RPM
24° @ 4100 RPM
1110486
C-4809
0 0 @ 860 RPM
2° @ 1140 RPM
17° @ 2150 RPM
28° @ 4000 RPM
1112040
C-4815
0° @ 680 RPM
2° @ 1320 RPM
@
20° 4200 RPM
1112041 C-4753
0 ° @ 800 RPM
2° @ 1200 RPM
12° @ 2200 RPM
24° @ 4300 RPM
1112043 C-4824
0 0 @ 800 RPM
2° @ 1200 RPM
11° @ 2100 RPM
20 ° @ 4200 RPM
1112047 C-4818
0°@ 865 RPM
2° @ 1335 RPM
11° @ 2400 RPM
18° @ 4200 RPM
C-4753
1112046
0° @ 800 RPM
2° @ 1200 RPM
12° @ 2200 RPM
24° @ 4300 RPM
C-4830
1112064
0° @ 930 RPM
2° @ 1260 RPM
16° @ 2400 RPM
30° @ 4400 RPM
IGNITION COIL
PRIMARY RESISTANCE
@ 75°F.
- OHMS -
1.41 - 1.65
1.77 - 2.01
Vacuum
Point
Advance
Dwell
(In Crank
Setting
Degrees)
C-3990 31°-34° 4° @ 550 RPM
4° @ 500 RPM
0° @ 8" Hg
23° @ 16" Hg
31°-34° 4° @ 550 RPM
C-3991
4° @ 500 RPM
0° @ 8" Hg
@
18° 16" Hg
3 1 3 4 ° 8° @ 550 RPM Automatic AC-R45TS
C-3954
0° @ 8" Hg
20° @ 17" Hg
31°-34° 4° @ 600 RPM
C-3954
0° § 8" Hg
20° @ 17" Hg
31°-34° 4° @ 600 RPM
C-3036
@
0° 8" Hg
15° @ 15.5" Hg
31°-34° 8° @ 550 RPM Automatic AC-R44TS
C-3036
0° @ 8" Hg
15° @ 15.5" Hg
31°-34° 4° @ 600 RPM
C-3036
@
0° 8" Hg
15° @ 15.5" Hg
C-3954 31°-34° 8° @ 600 RPM
0° @ 8" Hg
20° @ 17" Hg
SECONDARY RESISTANCE
- OHMS -
3,000 - 20,000
3,000 - 20,000
SPECIFICATIONS 15
Ignition
Timing
Trans.
BTDC at
Engine Idle*
Manual
Automatic
Manual
Automatic
Manual
Manual
8° @ 550 RPM Automatic
Manual
All
IGNITION RESISTOR
OHMS
TYPE
In Wiring 1.8
Harness
In Wiring 1.8
Harness
10-30 CHEVROLET TRUCK SERVICE MANUAL
Original
Equipment
Spark
Plug
AC-R46TS
AC-R44T
AC-R45TS
AC-R45TS
AC-R44TS
AC-R44TS