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PLYMOUTH

1965-69 Tune-up Specifications

Year
Engine or 
Car Model
Spark Plug
Type (C) 
- Gap
Point
Gap
Dwell
Angle
Firing
Order
Ignition Timing 
(BTDC or Mark)1
Hot Idle 
Std.
Tran
Auto
Tran 2
1965
6-170,225
N14Y -.035
.020
40-45
153624
2.5°
550 3
550N 3
8-273  Std. trans
N9Y -.035
.017
28-33
18436572
500 6
-
8-273  Auto trans
N9Y -.035
.017
28-33
18436572
10°
-
500N 6
8-273 4 B. carb 
N10Y -.035
.017
4
18436572
10°
600 6
600N 6
8-318  Std. trans
J14Y -.035
.017
28-33
18436572
500 6
-
8-318 Auto trans
J14Y -.035
.017
28-33
18436572
10°
-
500N 6
8-361,383 
J14Y -.035
.017
28-32
18436572
10°
500 6
500N 6
8-426
J14Y -.035
.017
4
18436572
10°
550 3
550N 3
1966
6-170 8
N14Y -.035
.020
40-45
153624
550 3
550N 3
6-170 9
N14Y -.035
.020
40-45
153624
5° ATC
650 3
650N 3
6-225 8
N14Y -.035
.020
40-45
153624
2.5°
550 3
550N 3
6-225 9
N14Y -.035
.020
40-45
153624
5° ATC
650 3
650N 3
8-273  Std. trans 8
N14Y -.035
.017
28-32
18436572
500 6
-
8-273  Auto trans 8
N14Y -.035
.017
28-32
18436572
10°
-
500N 6
8-273 2 B. carb 9
N14Y -.035
.017
28-32
18436572
5° ATC
700 7
650N 7
8-273 4 B. carb 8
N10Y -.035
.017
28-32
18436572
10° 
500 6
500N 6
8-273 4 B. carb 9
N10Y -.035
.017
28-32
18436572
5° ATC
600 6
600N 6
8-318 Std. trans 8
10a- .035
.017
28-32
18436572
500 6
-
8-318  Auto trans 8
10a- .035
.017
28-32
18436572
10°
-
500N 6
8-318 2 B. carb 9
10a - .035
.017
28-32
18436572
4° ATC
650 7
600N 7
8-361,383 
2 B. carb 8
J14Y -.035
.017
28-32
18436572
12.5°
500 6
500N 6
8-361,383 
2 B. carb 9
J14Y -.035
.017
28-32
18436572
5° ATC
650 6
600N 6
8-383,440 
4 B. carb 8
J13Y -.035
.017
28-32
18436572
12.5°
500 6
500N 6
8-383,440 
4 B. carb 9
J13Y -.035
.017
28-32
18436572
5° ATC
600 6
600N 6
8-426 Hemi
N10Y -.035
.017
12
18436572
12.5°
750 6
750N 6
1967
6-170 8
N14Y -.035
.020 40-45 153624
550 3
550N 3
6-170 9
N14Y -.035
.020 40-45 153624
5° ATC
700 3
650N 3
6-225 8
N14Y -.035
.020
40-45
153624
550 3
550N 3
6-225 9
N14Y -.035
.020
40-45
153624
TDC
650 3
650N 3
8-273  Std. trans 8
N14Y -.035
.017
28-32
18436572
500 6
-
8-273  Auto trans 8
N14Y -.035
.017
28-32
18436572
10°
-
500N 6
8-273 Std. trans 9
N14Y -.035
.017
28-32
18436572
 ATC
700  6
-
8-273  Auto trans 9
N14Y -.035
.017
28-32
18436572
 ATC
-
650N 6
8-273 4 B. carb 8
N10Y -.035
.017
4
18436572
10°
600  6
600N 6
8-273 4 B. carb 9
N10Y -.035
.017
4
18436572
 ATC
700  6
650N 6
8-318 Std. trans 8
N14Y -.035
.017
28-32
18436572
500 6
-
8-318  Auto trans 8
N14Y -.035
.017
28-32
18436572
10°
-
500N 6
8-318 9
N14Y -.035
.017
28-32
18436572
 ATC
650 6
650N 6
8-383 2 B. carb 8
J14Y -.035
.017
28-32
18436572
12.5°
550 6
550N 6
8-383 2 B. carb 10
J14Y -.035
.017
28-32
18436572
-
600N  6
8-383 2 B. carb 11
J14Y -.035
.017
28-32
18436572
TDC
650 6
-
8-383 4 B. carb 8
J13Y -.035
.017
28-32
18436572
12.5°
500 6
500N 6
8-383 4 B. carb 10
J13Y -.035
.017
28-32
18436572
-
600N 6
8-383 4 B. carb 11
J13Y -.035
.017
28-32
18436572
TDC
650 6
-
8-440 8
J13Y -.035
.017
28-32
18436572
12.5°
650 6
650N 6
8-440 10
J13Y -.035
.017
28-32
18436572
-
650N 6
8-440 11
J13Y -.035
.017
28-32
18436572
TDC
650 6
-
8-440 Hi perf 8
J11Y -.035
.017
28-32
18436572
12.5°
650 6
650N 6
8-440 Hi perf 10
J11Y -.035
.017
28-32
18436572
-
650N 6
8-440 Hi perf 11
J11Y -.035
.017
28-32
18436572
TDC
650 6
-
8-426 Hemi 8
N10Y -.035
.017
12
18436572
12.5°
750 6
750N 6
8-426 Hemi 9
N10Y -.035
.017
12
18436572
TDC
750 6
750N 6
1968
6-170 Std. trans 
N14Y -.035
.020 40-45 153624
 ATC
700 3
-
6-170 Auto trans 
N14Y -.035
.020
40-45
153624
2.5° ATC
-
650N 3
6-225
N14Y -.035
.020
40-45
153624
TDC
650 3
650N 3
8-273  Std. trans
N14Y -.035
.017
28-33
18436572
 ATC
700 6
-
8-273  Auto trans 
N14Y -.035
.017
28-33
18436572
2.5° ATC
-
650N 6
8-318 Std. trans
N14Y -.035
.017
28-33
18436572
 ATC
650 6
-
8-318  Auto trans 
N14Y -.035
.017
28-33
18436572
2.5° ATC
-
600N 6
8-340 Std. trans
N9Y -.035
.017
12
18436572
TDC
700 6
-
8-340  Auto trans
N9Y -.035
.017
12
18436572
-
650N 6
8-383 Std. trans 13
J11Y -.035
.017
28-33
18436572
TDC
650 6
-
8-383  Auto trans 13
J11Y -.035
.017
28-33
18436572
-
650N 6
8-383 Std. trans 14
J14Y -.035
.017
28-33
18436572
TDC
650 6
-
8-383  Auto trans 14
J14Y -.035
.017
28-33
18436572
7.5°
-
600N 6
8-440 Std. trans 15
J11Y -.035
.017
12
18436572
TDC
650 6
-
8-440  Auto trans 15
J11Y -.035
.017
28-33
18436572
-
650N 6
8-440  350 hp
J13Y -.035
.017
28-33
18436572
7.5°
-
600N 6
8-426 Hemi
N10Y -.035
.017
12
18436572
TDC
750 6
750N 6
1969
 
6-170 Std. trans 
N14Y -.035
.020 42-47 153624
 ATC
750 3
-
6-170 Auto trans 
N14Y -.035
.020
42-47
153624
2.5° ATC
-
750N 3
6-225
N14Y -.035
.020
42-47
153624
TDC
650 3
650N 3
8-273
N14Y -.035
.017
30-35
18436572
2.5° ATC
700 3
650N 3
8-318
N14Y -.035
.017
30-35
18436572
TDC
700 3
650N 3
8-340 Std. trans
N9Y -.035
.017
12
18436572
TDC
750 3
-
8-340  Auto trans
N9Y -.035
.017
12
18436572
-
700N 3
8-383 Std. trans 14
J14Y -.035
.017
30-35
18436572
TDC
700 3
-
8-383  Auto trans 14
J14Y -.035
.017
30-35
18436572
7.5°
-
600N 3
8-383 Std. trans 13
J11Y -.035
.017
30-35
18436572
TDC
700
-
8-383  Auto trans 13
J11Y -.035
.017
30-35
18436572
-
650N 3
8-383 Std. trans 16
J11Y -.035
.017
12
18436572
TDC
700
-
8-383  Auto trans 16
J11Y -.035
.017
12
18436572
-
650N 3
8-440  350 hp
J13Y -.035
.017
30-35
18436572
7.5°
-
600N 3
8-440 Std. trans 15
J11Y -.035
.017
12
18436572
TDC
700
-
8-440  Auto trans 15
J11Y -.035
.017
30-35
18436572
-
650N 3
8-440 390 hp J11Y -.035 .017 12 18436572 900 900
8-426 Hemi
N10Y -.035
.017
12
18436572
TDC
750
750 3

1970-75

C-   Champion 

ATC-  After top center

1- BTDC - Before top dead center

2 - D- Drive     N- neutral

3 - Adjust idle speed with 
headlights on and If A/C,
A/C "Full on" position.

4 -Each set of points 27-31°, total
Dwell both sets 36-40°

5-Some Canadian built 318 
engines are used in American
cars. These engines are 
equipped with J14Y 3/8" spark
plugs. Canadian heads have a
wider scalloped cylinder head
cover. U.S. built have narrow
oblong cover, using N14Y 3/4"
reach.

6 - Set idle speed with A/C 
compressor operating

7- With A/C switch off

8- Without CAP (cleaner air
package).

9-With CAP (cleaner air
package),  ATC  after top
center

10- With CAP (cleaner air
package) And Torqueflite

11- With CAP (cleaner air
package).  Manual trans.

12- Each set of points 27-32°, 
total Dwell both sets 37-42°

13- Four barrel carb.

14- Two barrel Carburetor

15- Hi performance engine

16-Formula "S" and Super
Bee only.