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.