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FORD * MERCURY
 

1965-75 Tune-up Specifications
 
Year Engine Car Model Spark Plug Type
(A)
- Gap		 Point Gap Dwell Angle Firing Order Ignition Timing (BTDC or Mark)
1
 Hot Idle
Std. Tran Auto Tran
2
1965 8-390
Std. trans 3
 BF-42/.034 .017 26-31 15426378 6° 600
4
 -
8-390
Auto trans 3
 BF-42/.034 .017 26-31 15426378 6°
5
 - 500D
5
8-427 BF-32/.030 .020
6
 15426378 8° 750
4
 -
1966 6-240
Auto trans 7
 BF-42/.034 .025 37-42 153624 12° - 500D
9
6-240
Std. trans 7
 BF-42/.034 .025 37-42 153624 6° 525
9
 -
6-240
Auto trans 8
 BF-42/.034 .025 37-42 153624 4° - 500D
9
6-240
Std. trans 8
 BF-42/.034 .025 37-42 153624 TDC 600
9
 -
8-289
7
 BF-42/.034 .017 26-31 15426378 6° 575
9
 475D
9
8-289
8
 BF-42/.034 .017 26-31 15426378 TDC 525
9
 550D
9
8-352, 390, 410, 428
7
 BF-42/.034 .017 26-31 15426378 10°
5
 575
9
 475D
9
8-352, 390, 410, 428
8
 BF-42/.034 .017 26-31 15426378 6°
5
 625
9
 550D
9
8-427 BF-32/.030 .020 22-24 15426378 10° 700
9
 -
1967 6-240
Auto trans 7
 BF-42/.034 .025 37-42 153624 10° - 500D
9
6-240
Std. trans 7
 BF-42/.034 .025 37-42 153624 6° 525
9
 -
6-240
Auto trans 8
 BF-42/.034 .025 37-42 153624 4° - 500D
9
6-240
Std. trans 8
 BF-42/.034 .025 37-42 153624 TDC 600
9
 -
8-289
7
 BF-42/.034 .017 26-31 15426378 6° 575
9
 475D
9
8-289
8
 BF-42/.034 .017 26-31 15426378 TDC 625
9
 550D
9
8-352, 390, 410, 428
7
 BF-32/.034 .017 26-31 15426378 10°
5
 575
9
 475D
9
8- 352, 390, 410, 428
8
 BF-32/.034 .017 26-31 15426378 6°
5
 625
9
 550D
9
8-427 BF-32/.030 .020 22-24 15426378 8° 750
9
 -
1968 6-240 BF-42/.034 .027 35-40 153624 6° 600
9
 500D
10
8-302
7
 BF-42/.034 .021 24-29 15426378 6° 625
9
 550D
11
8-390
Std. trans 7
 BF-42/.034 .021 24-29 15426378 6° 625
9
 -
8-390
Auto tran 12
 BF-42/.034 .017 26-31 15426378 6° - 550D
9
8-428
Std. trans 7
 BF-42/.034 .021 24-29 15426378 6° 625
9
 -
8-428
Auto tran 12
 BF-42/.034 .017 26-31 15426378 6° - 550D
9
8-427
7
 BF-32/.034 .017 26-31 15426378 6° - 600D
9
1969   6-240 BF-42/.034 .027 35-40 153624 6° 775/ 500
15
 500D
8-302
Std. trans
 BF-42/.034 .021 24-29 15426378 6° 650 -
8-302
Auto trans
 BF-42/.034 .017 26-31 15426378 6° - 550D
8-351 BF-42/.034 .017 26-31 13726548 6° 650 550D
8-390 BF-42/.034 .017 26-31 15426378 6° 650 550D
8-390
13
 BF-42/.034 .021 24-29 15426378 6° - 550D
8-429 BF-42/.034 .017 26-31 15426378 6° - 550D
1970 6-240 BF-42/.035
16
16
 153624 6° 775/ 500
15
 500D
11
8-302
Std. trans
 BF-42/.035 .021 24-29 15426378 6° 775/ 500
15
 575D
11
8-351 BF-42/.035 .021 24-29 13726548 6° 775/ 500
15
 575D
11
8-390
Std. trans
 BF-42/.035 .021 24-29 15426378 6° 775/ 500
15
 -
8-390
Auto trans
 BF-42/.035 .021 26-31 15426378 6° - 600/ 500
15
8-429
3
 BF-42/.035 .021 24-29 15426378 4° - 600/ 500
15
8-429
14
 BF-42/.035
17
17
 15426378 6° 700 600
1971 6-240 BRF-42/.034 .027 35-40 153624 6° 800/ 500
15
 500
8-302
I/A/C
 BRF-42/.034 .021 24-29 15426378 6° 800/ 500
15
 575
8-302
W-A/C
 BRF-42/.034 .021 24-29 13726548 6° 800/ 500
15
 600/ 500
15
8-351
I/A/C
 BRF-42/.034 .021 24-29 13726548 6° 700/ 500
15
 575
8-351
W-A/C
 BRF-42/.034 .021 24-29 13726548 6° 700/ 500
15
 600/ 500
15
8-390 BRF-42/.034 .021 24-29 15426378 6° - 600/ 500
15
8-400 ARF-42/.034 .021 24-29 13726548
10
 - 600/ 500
15
8-429
I/A/C 3
 BRF-42/.034 .021 24-29 15426378 6° - 590
8-429
W-A/C 3
 BRF-42/.034 .021 24-29 15426378 6° - 600/ 500
15
8-429
14
 BRF-42/.034 .021 24-29 15426378 4° 700 600
1972 6-240 BRF-42/.034 .027 35-39 153624 6° - 500
8-302
W-A/C
 BRF-42/.034 .017 26-30 15426378 6° 800/ 500 600/ 500
15
8-302
L/A/C
 BRF-42/.034 .017 26-30 15426378 6° - 575
8-351
W-A/C 18
 BRF-42/.034 .017 26-30 13726548 6° - 600/ 500
15
8-351
L/A/C 18
 BRF-42/.034 .017 26-30 13726548 6° - 575
8-351
19
 ARF-42/.034 .017 26-30 13726548 6° - 700/ 500
15
8-351
CA 19
 ARF-42/.034 .017 26-30 13726548 6° - 625/ 500
15
8-400 ARF-42/.034 .017 26-30 13726548
21
 - 625/ 500
15
8-429 BRF-42/.034 .017 26-30 15426378 10° - 600/ 500
15
1973 8-351
18
 BRF-42/.034 .017 26-30 13726548 6° - 600
8-351
18
 ARF-42/.034 .017 26-30 13726548 10° - 600
8-400 ARF-42/.034 .017 26-31 13726548 6° - 625
8-429 ARF-42/.034 .017 26-30 15426378 10° - 600
8-460 ARF-42/.034 .017 26-30 15426378 10° - 650
1974 8-351
18
 BRF-42/.044 .017 26-30 13726548 6° - 600
8-351
18, 20
 BRF-42/.044 - - 13726548 6° - 600
8-351
19
 ARF-42/.044 .017 26-30 13726548 14° - 650
8-351
18, 20
 ARF-42/.044 - - 13726548 14° - 650
8-400
20
 ARF-42/.044 - - 13726548 12° - 625
8-460
20
 ARF-52/.054 - - 15426378
22
 -
22
1975 8-351 ARF-42/.044 - - 13726548 14° - 700D
8-400 ARF-42/.044 - - 13726548 12° - 625D
8-460 ARF-52/.054 - - 15426378 14° - 650D
 

A- Autolite

1- BTDC - Before top dead center

2 - D- Drive

3 - Two barrel Carburetor

4 - If A/C, A/C switch turned to "Full on" position.

5- Whenever idle speed or ignition timing is to be adjusted, vacuum line to brake release mechanism must be disconnected and plugged to prevent parking brake from releasing when selector is moved to drive.

6 - Conventional Ignition 30-33° Transistor ignition 22-24°

7- Without Thermactor Emission System

8- With Thermactor Emission System.

9- with head lights and A/C on

10- CA 6°, all others 10°

11- With head lights on and A/C off

12- With IMCO system

13- Premium fuel

14-Four barrel carb

15- Higher figure is with throttle solenoid energized

16- Dual diaphragm .027 gap, 35-40°dwell. Single diaphragm .025 gap, 37-42° dwell.

17-Dual diaphragm .021 gap, 24-29° dwell. Single diaphragm .017 gap, 26-31° dwell.

18- Windsor engine

19- Cleveland engine

20- Breakerless distributor

21- CA 6°, all others 8°

22- Exc Police Interceptor 14° at 650 rpm,Police Interceptor 10° at 700 rpm,