Camaro Tuneup Specifications - factory stock ignition carb settings

Camaro Tuneup Specifications

DISCLAIMER/WARNING When in doubt, tune your car based on the specs listed on the emissions/tune up label on your radiator shroud cover. Use common sense. This information is accurate assuming the engine is in its original configuration. For high performance settings see the performance tuning section of the site.
Ask Second Generation Camaro related trouble-shooting questions here.
Click here to view itemized Emission Code Label listing.

1970 Ignition Settings

Engine Emissions
Code Distributor # Centrifugal
Advance 1 Vacuum
Advance 2 Dwell 3 Ignition
Timing 4 Trans Type

250/155hp DL
(AN) 1110463 (MT)
1110464 (AT) 0 @ 900
30 @ 4200
0 @ 7
23 @ 16 31 - 34 TDC (m/t)
4 (A/T) Both

307/200hp DM
(AO) 1111995 (MT)
1112005 (AT) 0 @ 1000
28 @ 4300
0 @ 6
15 @ 12 29 - 31 2 (m/t)
8 (A/T) Both

350/250hp DN
(AQ) 1112001 (MT)
1112002 (AT) 0 @ 1000
36 @ 4100
0 @ 7
24 @ 17.5 29 - 31 TDC (m/t)
4 (A/T) Both

350/300hp DO
(CN) 1111996 (MT)
1111997 (AT) 0 @ 950
30 @ 4700
0 @ 8
20 @ 17 29 - 31 TDC (m/t)
4 (A/T) Both

350/360hp CL
(CT) 1112019 0 @ 1150
26 @ 5000
0 @ 8
15 @ 15.5 29 - 31 8 Both

402/350hp 1111999 (MT)
1112000 (AT) 0 @ 900
36 @ 5000
0 @ 8
15 @ 15.5 28 - 30 TDC (m/t)
4 (A/T) Both

Idle Speed:
250 - 750 MT / 600 AT
307 - 700 MT / 600 AT
350 - 750 MT / 600 AT - 250hp
350 - 700 MT / 600 AT - 300hp
350 - 800 MT / 750 AT - 360hp
402 - 700 MT / 600 AT

1971 Ignition Settings

Engine	Emissions Code	Distributor #	Centrifugal Advance 1	Vacuum Advance 2	Dwell 3	Ignition Timing 4	Trans Type
250/110hp	DK (CX)	1110499	0 @ 1000 24 @ 4100	0 @ 7 24 @ 15	31 - 34	6	Both
307/140hp	DL (AO)	1112039	0 @ 680 2 @ 1320 20 @ 4200	0 @ 8 20 @ 17	29 - 31	8	A/T
307/140hp	DL (AO)	1112005	0 @ 800 2 @ 1200 12 @ 2200 24 @ 4300	0 @ 8 20 @ 17	29 - 31	4	M/T
350/165hp	AP	1112005	0 @ 800 2 @ 1200 12 @ 2200 24 @ 4300	0 @ 8 20 @ 17	29 - 31	6	A/T
350/165hp	AP	1112042	0 @ 880 2 @ 1120 10 @ 1600 15 @ 2200 28 @ 4300	0 @ 8 20 @ 17	29 - 31	2	M/T
350/210hp	AQ	1112044	0 @ 840 2 @ 1160 10 @ 1800 15 @ 2400	0 @ 8 15 @ 15.5	29 - 31	4	M/T
350/210hp	AQ	1112045	0 @ 865 2 @ 1335 11 @ 2400 18 @ 4200	0 @ 8 15 @ 15.5	29 - 31	8	A/T
350/275hp	AW	1112049	0 @ 1070 2 @ 1330 16 @ 2250 24 @ 5000	0 @ 8 15 @ 15.5	29 - 31	8	M/T
350/275hp	AW	1112074	0 @ 1034 2 @ 1366 12 @ 2200 20 @ 5000	0 @ 8 15 @ 15.5	29 - 31	12	A/T
402/260hp	AT	1112057	0 @ 930 2 @ 1260 16 @ 2400 30 @ 4400	0 @ 8 20 @ 17	29 - 31	8	both

Idle Speed:
250 - 750 MT / 600 AT
307 - 600 MT / 550 AT
350 - 600 MT / 550 AT - 165hp
350 - 600 MT / 600 AT - 210hp
350 - 750 MT / 700 AT - 275hp
402 - 750 MT / 700 AT

1972 Ignition Settings

Engine	Emissions Code	Distributor #	Centrifugal Advance 1	Vacuum Advance 2	Dwell 3	Ignition Timing 4	Trans Type
250/100hp	LA	1110499	0 @ 1000 24 @ 4100	0 @ 7 24 @ 15	31 - 34	6	Both
307/130hp	LC	1112039	0 @ 680 2 @ 1320 20 @ 4200	0 @ 8 20 @ 17	29 - 31	8	A/T
307/130hp	LC	1112005	0 @ 800 2 @ 1200 12 @ 2200 24 @ 4300	0 @ 8 20 @ 17	29 - 31	4	M/T
350/165hp	LG	1112005	0 @ 800 2 @ 1200 12 @ 2200 24 @ 4300	0 @ 8 20 @ 17	29 - 31	6	both
350/200hp	LJ	1112095	0 @ 840 2 @ 1160 10 @ 1800 15 @ 2400	0 @ 8 15 @ 15.5	29 - 31	4	M/T
350/200hp	LJ	1112049	0 @ 865 2 @ 1335 11 @ 2400 18 @ 4200	0 @ 8 15 @ 15.5	29 - 31	8	A/T
350/255hp	LN	1112095	0 @ 1090 2 @ 1310 21 @ 2350 28 @ 5000	0 @ 8 15 @ 15.5	29 - 31	4	M/T
350/255hp	LN	1112049	0 @ 1070 2 @ 1330 16 @ 2250 24 @ 5000	0 @ 8 15 @ 15.5	29 - 31	8	A/T
402/240hp	LS	1112057	0 @ 930 2 @ 1260 16 @ 2400 30 @ 4400	0 @ 8 20 @ 17	29 - 31	8	both

Idle Speed:
250 - 750 MT / 600 AT
307 - 900 MT / 600 AT
350 - 900 MT / 600 AT - 165hp
350 - 750 MT / 600 AT - 200hp
350 - 750 MT / 700 AT - 255hp
402 - 750 MT / 700 AT

1973 Ignition Settings

Engine	Emissions Code	Distributor #	Centrifugal Advance 1	Vacuum Advance 2	Dwell 3	Ignition Timing 4	Trans Type
250/100hp	WB	1110499	0 @ 1000 24 @ 4100	0 @ 7 24 @ 15	31 - 34	6	Both
307/115hp	WC	1112227	0 @ 1000 2 @ 1200 12 @ 2200 24 @ 4300	0 @ 6 15 @ 12	29 - 31	4	M/T
307/115hp	WC	1112102	0 @ 1000 2 @ 1320 10 @ 2100 20 @ 4200	0 @ 6 15 @ 12	29 - 31	8	A/T
350/145hp	WF	1112168	0 @ 1000 2 @ 1300 10 @ 2600 20 @ 4200	0 @ 4 14 @ 7	29 - 31	8	Both
350/175hp	WJ	1112093	0 @ 1100 2 @ 1320 6 @ 1800 11 @ 2400 18 @ 4200	0 @ 6 15 @ 14	29 - 31	8	M/T
350/175hp	WJ	1112094	0 @ 1100 2 @ 1550 6 @ 2410 12 @ 3300 14 @ 4200	0 @ 6 15 @ 14	29 - 31	12	A/T
350/245hp	WK	1112148	0 @ 1200 2 @ 1460 12 @ 2200 20 @ 5000	0 @ 6 16 @ 12	29 - 31	8	both

Idle Speed:
250 - 700 MT / 600 AT
307 - 900 MT / 600 AT
350 - 900 MT / 600 AT
350 - 900 MT / 700 AT - Z28 245hp

1974 Ignition Settings

Engine	Emissions Code	Distributor #	Centrifugal Advance 1	Vacuum Advance 2	Dwell 3	Ignition Timing 4	Trans Type
250/100hp	XU	1110499	0 @ 1000 24 @ 1500	0 @ 7 24 @ 15	31 - 34	6	Both
350/145hp	ZA	1112844	0 @ 1000 20 @ 4200	0 @ 3 14 @ 8	29 - 31	TDC (M/T) 8 (A/T)	Both
350/160hp	AZ	1112847	0 @ 1100 11 @ 2400 18 @ 4200	0 @ 3 14 @ 8	29 - 31	4 (M/T) 8 (A/T)	A/T
350/185hp	ZB	1112849	0 @ 1000 10 @ 1800 15 @ 2400 22 @ 4200	0 @ 3 14 @ 8	29 - 31	8 4 (M/T cal)	both
350/245hp	ZF	1112528	0 @ 1100 20 @ 5000	0 @ 6 14 @ 12	29 - 31	8	both

Idle Speed:
250 - 950 MT / 600 AT
350 - 900 MT / 600 AT
350 - 900 MT / 700 AT - Z28 245hp

1975 Ignition Settings

Engine	Emissions Code	Distributor #	Centrifugal Advance 1	Vacuum Advance 2	Dwell 3	Ignition Timing 4	Trans Type
250/105hp		1110678	0 @ 1000 20 @ 4200	0 @ 4 23 @ 15	HEI	6 (m/t) 8 (A/T)	Both
350/145hp	AM	1112880	0 @ 1200 12 @ 2000 22 @ 4200	0 @ 4 18 @ 12	HEI	6	Both
350/155hp	AS	1112888	0 @ 1100 12 @ 1600 22 @ 4200	0 @ 4 18 @ 12	HEI	6	Both

Idle Speed:
250 - 850 MT / 550 AT
350 - 900 MT / 600 AT - 2bbl (Rochester 2GC)
350 - 800 MT / 600 AT - 4bbl (M4MCA)

1976 Ignition Settings

Engine	Emissions Code	Distributor #	Centrifugal Advance 1	Vacuum Advance 2	Dwell 3	Ignition Timing 4	Trans Type
250/105hp		1110678	0 @ 1000 20 @ 4200	0 @ 4 23 @ 15	HEI	6 (m/t) 8 (A/T)	Both
305/140hp	LS	1112977	0 @ 1000 10 @ 1700 20 @ 3800	0 @ 4 18 @ 12	HEI	6 (M/T) 8 (A/T)	Both
350/165hp	LX	1112888	0 @ 1100 12 @ 1600 16 @ 2400 22 @ 4600	0 @ 4 18 @ 12	HEI	8	Both

Idle Speed:
250 - 850 MT / 550 AT
305 - 600 MT / 500 AT - 2bbl
350 - 800 MT / 600 AT - 4bbl (M4M)

1977 Ignition Settings (verified)

Engine	Emissions Code	Distributor #	Centrifugal Advance 1	Vacuum Advance 2	Dwell 3	Ignition Timing 4	Trans Type
250/110hp		1110678	0 @ 1000 20 @ 4200	0 @ 4 23 @ 15	HEI	6 (m/t) 8 (A/T)	Both
305/140hp	AU	1103239	0 @ 1200 15 @ 2700 20 @ 4200	0 @ 4 15 @ 10	HEI	8	Both
350/170hp	AY	1103246	0 @ 1200 12 @ 2000 22 @ 4200	0 @ 4 18 @ 12	HEI	8	Both

Idle Speed:
250 - 850 MT / 550 AT
305 - 600 MT / 500 AT
350 - 700 MT / 500 AT

1978 Ignition Settings

Engine	Emissions Code	Distributor #	Centrifugal Advance 1	Vacuum Advance 2	Dwell 3	Ignition Timing 4	Trans Type
250/110hp		1110678	0 @ 1000 20 @ 4200	0 @ 4 23 @ 15	HEI	6 (m/t) 8 (A/T)	Both
305/145hp	CW	1103281	0 @ 1000 10 @ 1700 20 @ 3800	0 @ 4 18 @ 12	HEI	4	M/T
305/145hp	CW	1103282	0 @ 1000 10 @ 1700 20 @ 3800	0 @ 4 20 @ 10	HEI	4	A/T
350/170hp	DT	1103353	0 @ 1100 12 @ 1600 16 @ 2400 22 @ 4600	0 @ 4 20 @ 10	HEI	6	both

Idle Speed:
250 - 850 MT / 550 AT
305 - 600 MT / 500 AT - 2bbl
350 - 800 MT / 600 AT - 4bbl (M4M)

1979 Ignition Settings

Engine	Emissions Code	Distributor #	Centrifugal Advance 1	Vacuum Advance 2	Dwell 3	Ignition Timing 4	Trans Type
250/110hp		1110678	0 @ 1000 20 @ 4200	0 @ 4 23 @ 15	HEI	6 (m/t) 8 (A/T)	Both
305/130hp	X9	1103281	0 @ 1000 10 @ 1700 20 @ 3800	0 @ 4 18 @ 12	HEI	4	M/T
305/130hp	X9	1103379	0 @ 1000 10 @ 1700 20 @ 3800	0 @ 3 20 @ 8.5	HEI	4	A/T
350/165hp	D7	1103353	0 @ 1100 12 @ 1600 16 @ 2400 22 @ 4600	0 @ 4 20 @ 10	HEI	6	both

Idle Speed:
250 - 850 MT / 550 AT
305 - 600 MT / 500 AT - 2bbl
350 - 800 MT / 600 AT - 4bbl (M4M)

1980 Ignition Settings

Engine	Emissions Code	Distributor #	Centrifugal Advance 1	Vacuum Advance 2	Dwell 3	Ignition Timing 4	Trans Type
229/115hp		1110752	0 @ 1200 24 @ 4100	0 @ 3 16 @ 6.5	HEI	10	Both
267/120hp		1103421	0 @ 1200 22 @ 4400	0 @ 4 18 @ 12	HEI	4	Both
305/155hp	ZD	1103384	0 @ 800 20 @ 4000	0 @ 4 18 @ 12	HEI	4	M/T
305/155hp		1103386	0 @ 1000 20 @ 3800	0 @ 4 16 @ 8	HEI	4	A/T Cal
350/190hp	ZF	1103284	0 @ 1200 22 @ 4200	0 @ 4 18 @ 12	HEI	8	A/T
350/190hp	ZN	1103353	0 @ 1100 12 @ 1600 16 @ 2400 22 @ 4600	0 @ 4 20 @ 10	HEI	6	M/T

Idle Speed:
229 - see label
267 - 500 AT
305 - 700 MT / 500 AT - 2bbl
350 - 500 AT - 4bbl (M4M)

1981 Ignition Settings

Engine	Emissions Code	Distributor #	Centrifugal Advance 1	Vacuum Advance 2	Dwell 3	Ignition Timing 4	Trans Type
229/110hp		1110752	0 @ 1200 24 @ 4100	0 @ 3 16 @ 6.5	HEI	10	Both
267/115hp	ALK	1103443	0 @ 1200 22 @ 4400	0 @ 4 18 @ 12	HEI	6	A/T
305/150hp	ALS	1103443	0 @ 800 20 @ 4000	0 @ 4 18 @ 12	HEI	6	M/T
305/150hp	ALN	1103443	0 @ 1000 20 @ 3800	0 @ 4 16 @ 8	HEI	6	A/T
350/175hp	AVA	1103443	0 @ 1200 22 @ 4200	0 @ 4 18 @ 12	HEI	6	A/T

Idle Speed:
229 - see label
267 - 500 AT
305 - 700 MT / 500 AT - E2ME, 2bbl
350 - 500 AT - E4M, E4bbl

Note 1: Centrifugal advance crank degrees @ engine RPM.
Note 2: Vacuum advance crank degrees @ in hg
Note 3: Dwell angle degrees
Note 4: Ignition timing at engine idle degrees BTDC (with vacuum line disconnected)

Last updated: 10/20/2011
Author: MadMike Maciolek

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Wiring diagrams, emissions & tuneup specs are from GM Shop manuals.