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CHEVY II
 

1965-69 Tune-up Specifications
1970-75
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 4-153 46N -.035
10
 31-34 1342 4° 500
5
 500D
5
6-194 46N -.035
10
 31-34 153624 8° 500
5
 500D
5
6-230 46N -.035
10
 31-34 153624 4° 500
5
 500D
5
8-283
195hp
 45 -.035
10
 28-32 18436572 4° 500
5
 475D
5
8-283
220hp
 45 -.035
10
 28-32 18436572 6° 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
1966 4-153 46N -.035
10
 31-34 1342 4° 500
5
 500D
5
6-194
Std. eng
 46N -.035
10
 31-34 153624 8° 500
5
 500D
5
6-194
Std. tran 4
 46N -.035
10
 31-34 153624 3° 700
5
 -
6-194
Auto tran 4
 46N -.035
10
 31-34 153624 8° - 600D
5
6-230
Std. eng
 46N -.035
10
 31-34 153624 4° 500
5
 500D
5
6-230
4
 46N -.035
10
 31-34 153624 4° 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 17
 44 -.035
10
 28-32 18436572 2° ATC - 600D
5
8-327
350hp
 44 -.035
10
 28-32 18436572 10° 700
5
 -
8-327
350hp 4
 44 -.035
10
 28-32 18436572 10° 750
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
1967 4-153 46N -.035 .019 31-34 1342 4° 500
5
 500D
5
6-194 46N -.035 .019 31-34 153624 4° 500
5
 500D
5
6-194
Std. tran 4
 46N -.035 .019 31-34 153624 2° 700
6
 -
6-194
Auto tran 4
 46N -.035 .019 31-34 153624 4° - 600D
6
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
 600D
6
8-283 45 -.035 .019 28-32 18436572 4° 500
5
 500D
5
8-283
Std. tran 4
 45 -.035 .019 28-32 18436572 TDC 700
6
 -
8-283
Auto tran 4
 45 -.035 .019 28-32 18436572 4° - 600D
6
8-327
275hp
 44 -.035 .019 28-32 18436572 8° 500
5
 500D
5
8-327
275hp 14
 44 -.035 .019 28-32 18436572 6° 700
6
 600D
6
1968 4-153
7
 46N -.035 .019 31-34 1342 TDC 750
6
 -
4-153
8
 46N -.035 .019 31-34 1342 4° - 600D
6
6-230
250 7
 46N -.035 .019 31-34 153624 TDC 700
6
 -
6-230
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
275hp 7
 44 -.035 .019 28-32 18436572 TDC 700
5
 -
8-327
275hp 8
 44 -.035 .019 28-32 18436572 4° - 600
6
8-350
7
 44 -.035 .019 28-32 18436572 TDC 700
6
 -
8-350
8
 44 -.035 .019 28-32 18436572 4° - 600
6
1969 4-153
7
 R46N -.035 .019 31-34 1342 TDC 750
6
 -
4-153
8
 R46N -.035 .019 31-34 1342 4° - 600D
6
6-230
250hp 7
 R46N -.035 .019 31-34 153624 TDC 700
6
 -
6-230
250hp 8
 R46N -.035 .019 31-34 153624 4° - 550D
6
8-307 R45S -.035 .019 28-32 18436572 2° 700
6
 600D
6
8-327
210hp 7
 R45S -.035 .019 28-32 18436572 2° ATC 700
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
350hp 7
 R43N -.035 .019 28-32 18436572 TDC 800
6
 -
8-396
350hp 8
 R43N -.035 .019 28-32 18436572 4° - 600D
6
8-396
375hp
 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, 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- Auto tranny and Air Injection reactor system