1978 Distributor Specifications

NOTE: FOR DISTRIBUTOR RPM & DEGREES, DIVIDE SPECIFICATIONS BELOW BY 2

BOSCH DISTRIBUTOR ADVANCE & RETARD SPECIFICATIONS

Distributor Part No.

Rot. ⁽¹⁾

Centrifugal Advance (Engine Degrees @ RPM)

Vacuum Advance (Engine Degrees @ In. of Hg)

Vacuum Retard (Engine Degrees @ In. of Hg)

021 905 205P

0
1000-1200

.....
.....

8-13
1600

.....
.....

20-25
3400

0
5.1

.....
.....

8.5-11
7.9

.....
.....

022 905 205S

0
1000-1200

.....
.....

8-13
1600

.....
.....

20-25
3400

0
5.1

.....
.....

8.5-11
7.9

.....
.....

035 905 205C

0
1000

6-12
1600

17-23
2500

22-26
3000

21-25
4500

0
6.3-79

.....
.....

8
8.7-9.4

0
1.6-4.3

.....
.....

10
5.5-8.3

***

0
1000-1200

.....
.....

6-12
1500

.....
.....

20-23
3500

0
6.1

.....
.....

5-8
7.9

0
5.9

.....
.....

11-13
9.1

047 905 205C

0
1150

10
1500

20
3000

26
4000

29
4500

0
3.2

3
4

5
4.9

6.5
6.3

.....
.....

049 905 206A

0
1120-1400

.....
.....

11-21
2000-2400

25-29
4800

26-30
5200

0
10

.....
.....

4-8
11.5

0
8

.....
.....

8-10
11

0231 305 052

0
600

2
800

3
1200

12
2000

21
3200

0
3

2
3.5

2.5
6

6
6.5

.....
.....

0231 305 010

0
600

3
1200

6
1600

12
2400

16
3200

0
3

2
4

3
5.5

6
6

0
3

2
7

6
11

12
14

0237 002 007

0
1200

.....
.....

10
2200

18
4100

22
4800

.....
.....

0
4.3

.....
.....

4
5.1

10
5.9

0237 002 023

0
700

3
2000

7
3000

12
4000

17
5000

0
4.7

0
7.7

12
9

17
11.4

.....
.....

0237 002 024

.....
.....

15-20
1500

.....
.....

27-32
3000

42-48
4500

.....
.....

0237 063 009

0
1200

.....
.....

10
2060

20
3500

29
5000

0
6.1

4
7.1

10
8.7

15
9.1

0
6.3

.....
.....

4
7.3

7
7.9

0237 304 002

.....
.....

11-15
1000

15-21
1700

25-31
3000

32-38
4500

.....
.....

0237 304 003

.....
.....

16-26
1500

.....
.....

27-34
3000

.....
.....

0237 401 006

0
800

5
1200

10
1500

24
2600

28
4900

.....
.....

0-2
4.5

2.5
6.3

3-6
7.1

4-6
7.9

0237 402 004

0
1200

.....
.....

10
1800

20
3100

28
4500

.....
.....

0
3.9

.....
.....

4
4.9

10
5.9

0237 405 002

.....
.....

9-17
1500

.....
.....

26-34
3500

.....
.....

930 602 02 1.02

0
1200

10
1900

18
2400

17
4400

24
5200

0
2.8

1.3
4

2.5
5.5

3.5
5.9

.....
.....

930 602 10 1.07

0
1300

5
1600

10
2000

18
2700

16
6000

0
4.7

5
6.3

10
8.3

11
9.4

.....
.....

930 602 10 1.08

0
1300

5
1600

10
2000

18
2700

16
600

0
4.7

5
6.3

10
8.3

11
9.4

.....
.....

⁽¹⁾	C (Clockwise), CC (Counterclockwise), viewed from rotor end.

NOTE: FOR DISTRIBUTOR RPM & DEGREES, DIVIDE SPECIFICATIONS BELOW BY 2.

DUCELLIER DISTRIBUTOR ADVANCE & RETARD SPECIFICATIONS

Distributor Part No.

Rot. ⁽¹⁾

Centrifugal Advance (Engine Degrees @ RPM)

Vacuum Advance (Engine Degrees @ In. of Hg)

Vacuum Retard (Engine Degrees @ In. of Hg)

4441

0
1100

14
1600

.....
.....

36
4500

0
3

7
8

.....
.....

22
13

.....
.....

4480 B

0
1000

10
1700

16
2800

22
3800

28
4800

0
4

3.5
6

7
8

10
10

.....
.....

525 003

0
1100

.....
.....

26
2750

.....
.....

46
5200

0
3

7
8

.....
.....

11
13

.....
.....

525 044 B

0
1000

10
1700

16
2800

22
3800

28
4800

.....
.....

0
7

3
9

6.5
11

10
13

525 047 A

.....
.....

525 089

0
1200

8
1500

10.6
2000

16
3000

26
4900

0
3

8
4.5

17
7

22
9.5

0
3

4
4

9
5

12
6

⁽¹⁾	C (Clockwise), CC (Counterclockwise), viewed from rotor end.

NOTE: FOR DISTRIBUTOR RPM & DEGREES, DIVIDE SPECIFICATIONS BELOW BY 2.

FORD (MOTORCRAFT) DISTRIBUTOR ADVANCE & RETARD SPECIFICATIONS

Distributor Part No.

Rot. ⁽¹⁾

Centrifugal Advance (Engine Degrees @ RPM)

Vacuum Advance (Engine Degrees @ In. of Hg)

Vacuum Retard (Engine Degrees @ In. of Hg)

D7FZ-C

.....
.....

D7F2-D

.....
.....

D7FZ-E

.....
.....

D8RZ-A

.....
.....

⁽¹⁾	C (Clockwise), CC (Counterclockwise), viewed from rotor end.

NOTE: FOR DISTRIBUTOR RPM & DEGREES, DIVIDE SPECIFICATIONS BELOW BY 2.

HITACHI DISTRIBUTOR ADVANCE & RETARD SPECIFICATIONS

Distributor Part No.

Rot. ⁽¹⁾

Centrifugal Advance (Engine Degrees @ RPM)

Vacuum Advance (Engine Degrees @ In. of Hg)

Vacuum Retard (Engine Degrees @ In. of Hg)

D4F5-03

0
1100

.....
.....

28
4600

0
4.13

.....
.....

15
15.4

.....
.....

D4F5-04

0
1100

.....
.....

28
4600

0
4.13

.....
.....

15
15.4

.....
.....

D4F5-05

0
1100

.....
.....

28
4600

0
4.13

.....
.....

9
11.8

.....
.....

D4F5-06

0
1200

.....
.....

22
3900

0
2.8

.....
.....

10
7.7

.....
.....

D4F5-07

0
1200

.....
.....

22
3900

0
354

.....
.....

3
5.5

.....
.....

D4F5-03

0
1100

.....
.....

28
4600

0
6.7

.....
.....

6.5
11.8

.....
.....

D4F6-04

0
1200

.....
.....

22
3900

0
3.54

.....
.....

4
6.3

.....
.....

D4F6-05

0
1200

.....
.....

22
3900

0
2.76

.....
.....

12.5
9.8

.....
.....

D4F6-06

0
1200

.....
.....

22
3900

0
3.94

.....
.....

10
9.8

.....
.....

D4F6-07

0
1200

.....
.....

22
3900

0
3.94

.....
.....

6.5
9.8

.....
.....

D4F7-01

0
1100

.....
.....

28
4800

0
3.15

.....
.....

14.5
13

.....
.....

D4F7-02

0
1200

.....
.....

22
3900

0
3.94

.....
.....

12.5
11.8

.....
.....

D4H6-01

0
1000

.....
.....

14
2400

.....
.....

28
4800

0
2

.....
.....

10
11.8

0
3

.....
.....

7.5
10.8

D6F4-03

0
1200

.....
.....

17
2500

0
7.8

.....
.....

15
13.8

.....
.....

D6F5-02

0
1200

.....
.....

17
2500

0
5.9

.....
.....

18
11.6

.....
.....

D6F5-03

0
1200

.....
.....

17
2500

0
5.9

.....
.....

10
9.8

.....
.....

D6F6-01

.....
1200

.....
.....

17
2500

0
2.8

.....
.....

25
9.5

.....
.....

⁽¹⁾	C (Clockwise), CC (Counterclockwise), viewed from rotor end.

NOTE: FOR DISTRIBUTOR RPM & DEGREES, DIVIDE SPECIFICATIONS BELOW BY 2

HONDA DISTRIBUTOR ADVANCE & RETARD SPECIFICATIONS

Distributor Part No.

Rot. ⁽¹⁾

Centrifugal Advance (Engine Degrees @ RPM)

Vacuum Advance (Engine Degrees @ In. of Hg)

Vacuum Retard (Engine Degrees @ In. of Hg)

D409-66

0
950-1200

.....
.....

5-7
2000

.....
.....

7-10
2700

0
4.3-5.1

.....
.....

6.5-8.5
7.8-8.9

.....
.....

D411-B1

0
950-1200

.....
.....

7-8.5
2500

.....
.....

10-12.5
3400

0
5.5-6.3

.....
.....

6.5-8.5
11.5-12.5

.....
.....

D411 B2

0
1100-1500

.....
.....

6.5-7.5
3000

.....
.....

10
12.54400

0
5.5-6.3

.....
.....

6.5-8.5
11.5-12.5

.....
.....

D412-99

0
1200

4
2000

6
3000

12
4000

14
4200

.....
.....

0
2.6

8
3.9

.....
.....

11
4.5

D417 67

0
1000

8.7
1900

11
2500

14
3500

15.5
4000

0
2.6

.....
.....

5
2.95

9
3.9

.....
.....

D4J6-06

0
1200

6
2000

10
2500

14
3000

16
3400

0
55

4
7.5

11
11

14
13

0
2.5

4
3.5

7
4

9
4.5

30100657-674

0
950

.....
.....

12
1700

.....
.....

20
2800

0
4.3

.....
.....

8
5.8

17
7.7

.....
.....

30100657-812

0
950

.....
.....

12
1700

.....
.....

24
3350

0
5.5

.....
.....

4
7.9

17
11.6

.....
.....

30100663-701

0
1250

.....
.....

10
2500

.....
.....

16
3350

0
5.5

.....
.....

10
9.8

14
12.9

0
2.5

.....
.....

9
4.3

⁽¹⁾	C (Clockwise), CC (Counterclockwise), viewed from rotor end.

NOTE: FOR DISTRIBUTOR RPM & DEGREES, DIVIDE SPECIFICATIONS BELOW BY 2

LUCAS DISTRIBUTOR ADVANCE & RETARD SPECIFICATIONS

Distributor Part No.

Rot. ⁽¹⁾

Automatic Advance (Distr. Degrees @ RPM)

Vacuum Advance (Distr. Degrees) Operate Distr. @ 1000 RPM

Vacuum Retard (Distr. Degrees) Operate Distr. @ 1000 RPM

45DE4

Midget

.....
.....

1-7
1200

7-13
1500

13-17
2600

15-19
3300

.....
.....

0
3

.....
.....

10-14
11

10-14
15

MGS

.....
.....

13-17
2000

28-32
3500

33-37
4500

0
3

.....
.....

22-26
11

.....
.....

Spitfire

0
850

8-12
1600

11-15
2600

12-16
3200

12-16
5000

.....
.....

0
1

.....
.....

10-14
15

10-14
20

47DEA 47DE4 TR7

0
***

2-8
1300

8-12
1900

13-17
2800

14-18
5000

.....
.....

0
3

.....
.....

10-14
11

10-14
15

36DE12 XJS, XJ12

0
900

22-26
2000

.....
.....

29-33
4000

34-38
6200

0
6

.....
.....

4
10

.....
.....

***450E6***⁽²⁾

⁽¹⁾	C (Clockwise), CC (Counterclockwise), viewed from rotor end.

⁽²⁾	Specifications not furnished by manufacturer.

NOTE: FOR DISTRIBUTOR RPM & DEGREES, DIVIDE SPECIFICATIONS BELOW BY 2

MAZDA DISTRIBUTOR ADVANCE & RETARD SPECIFICATIONS

Distributor Part No.

Rot. ⁽¹⁾

Centrifugal Advance (Engine Degrees @ RPM)

Vacuum Advance (Engine Degrees @ In. of Hg)

Vacuum Retard (Engine Degrees @ In. of Hg)

387918200

0
1200

.....
.....

12
2500

.....
.....

20
3900

0
2.4

.....
.....

9
11.8

.....
.....

39581820P

0
1200

.....
.....

10
3200

.....
.....

25
5500

0
8.7

.....
.....

6
15.4

.....
.....

802818200A

0
1200

.....
.....

10
2500

.....
.....

25
5500

0
4.7

.....
.....

13
13.8

.....
.....

876118200

Leading

0
1000

.....
.....

11
2000

.....
.....

25
4000

0
4

.....
.....

5
15.7

.....
.....

Trailing

0
1000

.....
.....

11
2000

.....
.....

25
4000

0
4

.....
.....

17.5
15.7

.....
.....

882618200

Leading

0
1000

.....
.....

10
2000

.....
.....

20
3000

0
3.9

.....
.....

7.5
15.7

.....
.....

Trailing

0
1000

.....
.....

10
2000

.....
.....

20
3000

0
7.9

.....
.....

15
15.7

.....
.....

882718200

leading

0
1000

.....
.....

10
2000

.....
.....

20
3000

0
3.9

.....
.....

7.5
15.7

.....
.....

Trailing

0
1000

.....
.....

10
2000

.....
.....

20
3000

0
7.9

.....
.....

15
15.7

.....
.....

⁽¹⁾	C (Clockwise), CC (Counterclockwise), viewed from rotor end.

NOTE: FOR DISTRIBUTOR RPM & DEGREES, DIVIDE SPECIFICATIONS BELOW BY 2

MARELLI DISTRIBUTOR ADVANCE & RETARD SPECIFICATIONS

Distributor Part No.

Rot. ⁽¹⁾

Automatic Advance (Distr. Degrees @ RPM)

Vacuum Advance (Distr. Degrees) Operate Distr. @ 1000 RPM

Vacuum Retard (Distr. Degrees) Operate Distr. @ 1000 RPM

S 144 CBY

0
1000

9
1400

21
2000

32
3200

36
3600

.....
.....

S 144 M

0
1000

10
1600

16
2000

21
3400

28
5800

.....
.....

⁽¹⁾	C (Clockwise), CC (Counterclockwise), viewed from rotor end.

NOTE: FOR DISTRIBUTOR RPM & DEGREES. DIVIDE SPECIFICATIONS BELOW BY 2

MITSUBISHI DISTRIBUTOR ADVANCE & RETARD SPECIFICATIONS

Distributor Part No.

Rot. ⁽¹⁾

Centrifugal Advance (Engine Degrees @ RPM)

Vacuum Advance (Engine Degrees @ In. of Hg)

Vacuum Retard (Engine Degrees @ In. of Hg)

T3T04581

0
1200

.....
.....

20
6000

0
3.15

.....
.....

20
14.2

.....
.....

***

0
1200

.....
.....

20
6000

0
3.15

.....
.....

23
11

.....
.....

T3T04589

0
1200

.....
.....

20
6000

0
5.1

.....
.....

15
11.8

.....
.....

T3T05771

0
1000

.....
.....

20
4400

0
3.15

.....
.....

23
11

.....
.....

T3T05772

0
1000

.....
.....

20
4400

0
2.4

.....
.....

20
14.2

.....
.....

T3T03776

0
1000

.....
.....

20
4400

0
2.4

.....
.....

28
9.5

.....
.....

T3T05775

0
1000

.....
.....

20
4400

0
3.2

.....
.....

20
14.2

.....
.....

T3T04874

0
1200

.....
.....

20
6000

0
3.2

.....
.....

20
14.2

0
9.1

.....
.....

10
12.2

T3T04887

0
1200

.....
.....

20
6000

0
5.1

.....
.....

15
11.8

0
8.1

.....
.....

10
12.2

T3T07182-387V

.....
.....

T3T60772-3877

.....
.....

T3T60774-8786

.....
.....

⁽¹⁾	C (Clockwise), CC (Counterclockwise), viewed from rotor end.

NOTE: FOR DISTRIBUTOR RPM & DEGREES, DIVIDE SPECIFICATIONS BELOW BY 2

NIPPONDENSO DISTRIBUTOR ADVANCE & RETARD SPECIFICATIONS

Distributor Part No.

Rot. ⁽¹⁾

Centrifugal Advance (Engine Degrees @ RPM)

Vacuum Advance (Engine Degrees @ In. of Hg)

Vacuum Retard (Engine Degrees @ In. of Hg)

19100-24180

0
1000

.....
.....

23
3400

.....
.....

28
5400

0
4.3

.....
.....

12
79

18
10.2

.....
.....

19100-29231

0
1100

5.2
1550

16
2400

24
4200

22.6
6000

0
3.5

6
4.7

13.6
8.7

18
11.8

.....
.....

⁽¹⁾	C (Clockwise), CC (Counterclockwise), viewed from rotor end.

NOTE: FOR DISTRIBUTOR RPM & DEGREES, DIVIDE SPECIFICATIONS BELOW BY 2

NIPPONDENSO DISTRIBUTOR ADVANCE & RETARD SPECIFICATIONS

Distributer Port No.

Rot. ⁽¹⁾

Centrifugal Advance (Engine Degrees @ RPM)

Vacuum Advance (Engine Degrees @ In. of Hg)

Vacuum Retard (Engine Degrees @ In. of Hg)

19100-26280

0
1000

4.2
1750

12.4
2800

20
5400

19.6
6000

0
4.3

8.2
6.3

20
10.2

26
13

.....
.....

19100-26290

0
1000

4.2
1750

12.4
2800

16
4100

14.6
6000

0
4.3

7.4
8.3

18.4
10.2

24
13

.....
.....

19100-38050

0
1100

9.4
2000

14
2800

19.2
4400

20.2
6000

0
3.9

3.6
4.7

23.6
10.6

28
15.8

.....
.....

19100-38060

0
1100

9.4
2000

14
2800

19.2
4400

20.2
6000

0
3.9

3
4.7

16
9.5

20
15

.....
.....

19100-38070

0
1100

8.4
2000

14
2800

19.2
4400

20.2
6000

0
3.9

4
4.7

17.8
8.3

22
13.4

.....
.....

19100-38081

0
1100

9.4
2000

14
2800

19.2
4400

20.2
6000

0
3.9

3.6
4.7

23.6
10.6

28
15.8

.....
.....

19100-38091

0
1100

9.4
2000

14
2800

19.2
4400

20.2
6000

0
3.9

3.6
4.7

23.6
10.6

28
15.8

.....
.....

19100-38150

0
1100

9.4
2000

14
2800

19.2
4400

20.2
6000

0
3.9

3
4.7

16
9.5

20
15

.....
.....

19100-38180

0
1100

9.4
2000

14
2800

19.2
4400

20.2
6000

0
3.9

3.6
4.7

23.6
10.6

28
15.8

.....
.....

19100-43150

0
1500

4.4-8.4
1800

8.2-11.2
2400

12.4-15.4
4400

13.4-17.4
6000

0
3.5

.....
.....

10-13.8
7.9

14-18
13.4

.....
.....

19100-45160

0
1500

4.4-8.4
1800

8.2-11.2
2400

12.4-15.4
4400

13.4-17.4
6000

0
8.3

.....
.....

9.8-14.6
10.6

14-18
15

.....
.....

19100-61061

0
1000

.....
.....

20
3200

.....
.....

17.8
6000

.....
.....

0
3.2

.....
.....

10
5.5

19100-61100

0
1200

10
1800

.....
.....

20
3800

18.4
6000

0
3.9

.....
.....

10
6.3

0
3.2

.....
.....

6
5.5

19100-61110

0
1320

10
1800

.....
.....

20
3800

18.4
6000

0
3.9

.....
.....

10
6.3

.....
.....

029 100 3281

0
1250

5
1800

10
2300

20
3500

26
4400

0
3.2

5
5.5

8
7.1

10
8.5

.....
.....

0291 100 4220

0
800

.....
.....

10
2000

.....
.....

26
4500

0
2

7
8

10
12

10
16

0
3

5
8

7
12

8
16

02911004270

.....
.....

⁽¹⁾	C (Clockwise), CC (Counterclockwise), viewed from rotor end.