CHEVROLET
1965-69 Tune-up Specifications
| Year | Engine Car Model | Spark Plug Type
(AC)
- Gap |
Point Gap | Dwell Angle | Firing Order | Ignition Timing
(BTDC
or Mark)
1 |
Hot Idle
3 |
|
| Std. Tran | Auto Tran
2 |
|||||||
| 1965 | 6-230 | 44N -.035 | 10 |
31-34 | 153624 | 4° | 500
5 |
475D
5 |
| 8-283
195hp |
45 -.035 | 10 |
28-32 | 18436572 | 4° | 500
5 |
475D
5 |
|
| 8-283
4 bar carb |
45 -.035 | 10 |
28-32 | 18436572 | 4° | 500
5 |
475D
5 |
|
| 8-327
250hp |
44 -.035 | 10 |
28-32 | 18436572 | 4° | 475
5 |
450D
5 |
|
| 8-327
300hp |
44 -.035 | 10 |
28-32 | 18436572 | 8° | 475
5 |
450D
5 |
|
| 8-396
325hp |
43N -.035 | 10 |
28-32 | 18436572 | 4°
17 |
500
5 |
475D
5 |
|
| 8-396
425hp |
43N -.035 | 10 |
28-32 | 18436572 | 10° | 800
5 |
- | |
| 8-409
340hp |
C42N-.035 | 10 |
28-32 | 18436572 | 8° | 475
5 |
450D
5 |
|
| 8-409
400hp |
C42N-.035 | 10 |
28-32 | 18436572 | 12° | 975
5 |
- | |
| 1966 | 6-250
Std. eng |
46N -.035 | 10 |
31-34 | 153624 | 6° | 500
5 |
500D
5 |
| 6-250
4 |
46N -.035 | 10 |
31-34 | 153624 | 6° | 700
5 |
600D
5 |
|
| 8-283
Std. eng |
45 -.035 | 10 |
28-32 | 18436572 | 4° | 500
5 |
500D
5 |
|
| 8-283
4 |
45 -.035 | 10 |
28-32 | 18436572 | 4° | 700
5 |
600D
5 |
|
| 8-327
275hp |
44 -.035 | 10 |
28-32 | 18436572 | 8° | 500
5 |
500D
5 |
|
| 8-327
275hp 14 |
44 -.035 | 10 |
28-32 | 18436572 | 8° | 700
5 |
- | |
| 8-327
275hp 18 |
44 -.035 | 10 |
28-32 | 18436572 | 2°ATC | - | 600D
5 |
|
| 8-396
325hp |
43N -.035 | 10 |
28-32 | 18436572 | 4° | 500
5 |
500D
5 |
|
| 8-396
325hp 4 |
43N -.035 | 10 |
28-32 | 18436572 | 4° | 500
5 |
500D
5 |
|
| 8-427
390hp |
43N -.035 | - | - | 18436572 | 4° | 550
5 |
550D
5 |
|
| 8-427
390hp 4 |
43N -.035 | - | - | 18436572 | 4° | 550
5 |
550D
5 |
|
| 8-427
425hp |
43N -.035 | - | - | 18436572 | 10° | 800
5 |
- | |
| 1967 | 6-250 | 46N -.035 | .019 | 31-34 | 153624 | 4° | 500
5 |
500D
5 |
| 6-250
4 |
46N -.035 | .019 | 31-34 | 153624 | 4° | 700
6 |
500D
6 |
|
| 8-283 | 45 -.035 | .019 | 28-32 | 18436572 | 4° | 500
5 |
500D
5 |
|
| 8-283
4, 7 |
45 -.035 | .019 | 28-32 | 18436572 | TDC | 700
6 |
600D
6 |
|
| 8-283
4, 8 |
45 -.035 | .019 | 28-32 | 18436572 | 4° | 700
6 |
600D
6 |
|
| 8-327
275hp |
44 -.035 | .019 | 28-32 | 18436572 | 8° | 500
5 |
500D
5 |
|
| 8-327
275hp 4 |
44 -.035 | .019 | 28-32 | 18436572 | 6° | 700
6 |
600D
6 |
|
| 8-396
325hp |
43N -.035 | .019 | 28-32 | 18436572 | 4° | 500
5 |
500D
5 |
|
| 8-396
325hp 4 |
43N -.035 | .019 | 28-32 | 18436572 | 4° | 700
5 |
500D
5 |
|
| 8-427
385hp |
43N -.035 | .019 | 28-32 | 18436572 | 4° | 550
5 |
550D
5 |
|
| 8-427
385hp 4 |
43N -.035 | .019 | 28-32 | 18436572 | 4° | 700
5 |
550D
5 |
|
| 1968 | 6-
250hp 7 |
46N -.035 | .019 | 31-34 | 153624 | TDC | 700
6 |
- |
| 6-
250hp 8 |
46N -.035 | .019 | 31-34 | 153624 | 4° | - | 600D
5 |
|
| 8-307 | 45S -.035 | .019 | 28-32 | 18436572 | 2° | 700
6 |
600D
6 |
|
| 8-327
250hp |
44S -.035 | .019 | 28-32 | 18436572 | 4° | 700
5 |
600D
6 |
|
| 8-327
275hp 7 |
44 -.035 | .019 | 28-32 | 18436572 | TDC | 700
5 |
- | |
| 8-327
275hp 8 |
44 -.035 | .019 | 28-32 | 18436572 | 4° | - | 600D
6 |
|
| 8-396
325hp |
43N -.035 | .019 | 28-32 | 18436572 | 4° | 700
6 |
600D
6 |
|
| 8-396
375hp |
43N -.035 | .019 | 28-32 | 18436572 | 4° | 750
6 |
- | |
| 8-427
385hp |
43N -.035 | .019 | 28-32 | 18436572 | 4° | 700
6 |
600D
6 |
|
| 1969 | 6-250
7 |
R46N -.035 | .019 | 31-34 | 153624 | TDC | 700
6 |
- |
| 6-250
8 |
R46N -.035 | .019 | 31-34 | 153624 | 4° | - | 550D
6 |
|
| 8-327
235hp 7 |
R45S -.035 | .019 | 28-32 | 18436572 | 2° ATC | 700
6 |
- | |
| 8-327
235hp 8 |
R45S -.035 | .019 | 28-32 | 18436572 | 2° | - | 600D
6 |
|
| 8-350
255hp 7 |
R44 -.035 | .019 | 28-32 | 18436572 | TDC | 700
6 |
- | |
| 8-350
255hp 8 |
R44 -.035 | .019 | 28-32 | 18436572 | 4° | - | 600D
6 |
|
| 8-350
300hp 7 |
R44 -.035 | .019 | 28-32 | 18436572 | TDC | 700
6 |
- | |
| 8-350
300hp 8 |
R44 -.035 | .019 | 28-32 | 18436572 | 4° | - | 600D
6 |
|
| 8-396
265hp 7 |
R44N -.035 | .019 | 28-32 | 18436572 | TDC | 700
6 |
- | |
| 8-396
265hp 8 |
R44N -.035 | .019 | 28-32 | 18436572 | 4° | - | 600D
6 |
|
| 8-427
425hp |
R43N -.035 | .019 | 28-32 | 18436572 | 4° | 750
6 |
750D
6 |
|
| 8-427
335hp |
R44N -.035 | .019 | 28-32 | 18436572 | 4° | 800
6 |
600D
6 |
|
| 8-427
390hp |
R43N -.035 | .019 | 28-32 | 18436572 | 4° | 800
5 |
600D
5 |
|
| 8-427
425hp |
R43N -.035 | .019 | 28-32 | 18436572 | 4° | 750
6 |
750D
6 |
|
ATC- After top center
TDC- Top dead center
1- BTDC - Before top dead center
2- D- Drive
3 - Where two speeds are listed, lower speed indicates idle solenoid disconnected.
4 - With Air Injection reactor emission system (A.I.R)
5 - With A/C on
6 - With A/C off
7- Std. tranny
8- Auto tranny
9- Marketed as 396 but actually 402 cu.in.
10- New .019, used .016
Turn adjusting screw in Clockwise until engine misfires, then turn screw out 1/2 turn
11- With integral intake manifold and all CA models
12- CA 4° BTDC
13- CA 6° BTDC
14- Manual trans and Air Injection reactor system
15- Also Monte Carlo
16- CA 600 rpm
17- Transistor Ign 6° BTDC
18-Auto tranny and Air Injection reactor system