1970 Mustang – Tune Up Information

1970 Ford MustangResearchTune Up
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First Gen Mustang
1970 Ford Mustang

1970 Ford Mustang Tune-up Information

Tune-up Information

 

GENERAL
IGNITION
FUEL
Engine cid
Curb idle * #
Fast idle RPM
Spark Plugs
Distributor
in degrees
Initial
timing
Idle Air
Fuel ratio
Anti stall
dashpot clearance
Automatic
choke setting
Accelerator
pump setting
Manual
Auto
Manual
Auto
Gap
Number
Point gap
Dwell Angle
(BTDC)
Manual
Auto
Manual
Auto
Manual
Auto
Manual
Auto
170 1V 6 cyl w/o air
750
550
0.036 @
0.035 @
0.035
BF82
0.027
34-40
6
14.45
7/64″
1 rich
index
NA
170 1V 6 cyl w air
800
600
0.035
BF82
6
200 1V 6 w/o air
750
550
0.031 @
0.036 @
0.035
BF82
6
14.45
14.20
Index
200 1V 6 w air
800
600
0.035
BF82
6
240 1V 6
800/500
500
0.029 @
0.035 @
0.035
BF42
6
14.70
solenoid
7/64 ‘
Index
1 lean
250 1 V 6 w/o air
700/500
550
0.040 @
0.046 @
0.035
BF82
6
14.20
7/32″
1 rich
0.400″ from closed throttle
250 1 V 6 w air
700/500
600/500
0.035
BF82
6
302 2V 8 w/o air
800/500
575
1400
1500
0.035
BF42
0.021
24-29
6
12.05
12.50
1/8″
1 rich
# 3 hole
# 2 hole
302 2V 8 w/o air
800/500
600/500
0.035
BF42
6
Solenoid
Inboard hole in lever
302 4V Boss
800/500
NA
NA
0.035
AF32
0.020 Dual
points
30-33
16
13.50
NA
NA
NA
NA
351 C 2V w/o air
800/500
600
1500
1500
0.035
AF42
0.021
24-29
6
12.90
11.40
1/8″
Index
1 rich
# 4 hole
# 3 hole
351 C 2V w air
700/500
600/500
0.035
AF42
6
Solenoid
Inboard hole in lever
351 C 4V w/o air
700/500
600
1250
1400
0.035
AF32
6
13.15
12.20
0.080
Index
.0425″ Pump stem height
351 C 4V w air
800/500
600/500
0.035
AF32
6
Solenoid
351 W 2V w/o air
700/500
675
1300
1600
0.035
BF42
10
12.05
12.80
1/8″
2 lean
# 3 hole
# 2 hole
351 W 2V w air
700/500
600/500
0.035
BF42
10
Solenoid
Inboard hole in lever
390 2V w/o air
700/500
575
1400
1500
0.035
BF42
0.021 ^
24-29 ^
6
13.33
12.20
1/8″
1 rich
2 rich
3 hole – inboard hole in lever
390 2V w air
750/500
600/500
0.035
BF42
6
solenoid
428 4V police w/o air
NA
675
NA
1600
0.035
BF32
0.021
24-29
6
NA
14.30
NA
2 rich
0.56″ (+-0.20) Pump Stem height
428 4V police w air
NA
675/500
0.035
BF32
6
428 4V CJ w/o air
725
675
1900
2100
0.035
BF32
0.020 dual
points
30-33
6
13.80
0.140
0.200
NA
0.015″ (minimum)
Overridespring adjusstment
428 4V CJ w air
725/500
675/500
0.035
BF32
6
Solenoid
428 4V SCJ w/o air
725
675
0.035
BF32
0.021 ^
24-29 ^
6
0.140
0.200
428 4V SCJ w air
725/500
675/500
0.035
BF32
6
Solenoid
429 2V w/o air
NA
590
NA
1400
0.035
BF42
6
NA
12.20
Solenoid
1/8″
2 rich
3 hole – inboard hole in lever
429 2V w air
NA
600/500
0.035
BF42
6
429 4V w/o air
700
600
1400
1300
0.035
BF42
6
12.65
12.80
0.070
Index
0.480 +-0.020″, 0.425 +-0.020
Pump stem height
429 4V w air
700
600
0.035
BRF42
6
429 4V CJ w/o air
700
650
750
1850
0.035
AF32
10
14.40
15.50
NA
Index
Pump rod location – Outboard
429 4V CJ w air
700/500
650/500
0.035
AF32
10
Solenoid
1 rich
429 4V SCJ w/o air
650/500
700/500
2400
2200
0.035
AF32
10
Solenoid
2 rich
429 4V Boss w/o air
700/500
NA
2200
NA
0.035
AF32
0.020 dual
points
30-33
10
12.20
NA
NA
NA
460 4V
NA
600
NA
1250
0.035
BF42
0.017
26-31
6
NA
12.05
0.010
1rich

* headlights on High beam & A/C off
# Higher RPM solenoid energized, lower RPM solenoid not energized
@ Throttle Plate clearance
^ Single diaphram distributor 0.017 and gap of 26-31

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