The Poorman's Off Chassis Restoration.Com
Car Nose Logo   Back Button
Photo Gallery Pin-ups Store Parts
Specs Erudition IPC Comedy
Contact
Web Cam Video Destructive Tests
 

OLDSMOBILE

17
 

1970-75 Tune-up Specifications

1965-69
Year Engine Car Model Spark Plug Type
(AC)
- Gap
Point Gap Dwell Angle Firing Order Ignition Timing (BTDC or Mark)
1
Hot Idle
Std. Tran Auto Tran
2
1970 6-250
Std. tran 3
R46T-.035 .019 31-34 153624 TDC 750 -
6-250
Auto tran3
R46T-.035 .019 31-34 153624 - 600D
8-350
250hp 4
R46S-.030 .016 30 18436572 10°
5
750 575D
8-350
250hp 6
R46S-.030 .016 30 18436572
5
675 575D
8-350
310hp
R45S-.030 .016 30 18436572 10°
5
650 575D
8-350
325hp
R43S-.030 .016 30 18436572 14°
5
750 625D
8-455
310hp
R46S-.030 .016 30 18436572
5
675 575D
8-455
320hp
R45S-.030 .016 30 18436572
5
- 575D
8-455
365hp
R44S-.030 .016 30 18436572
7
750 650D
8-455
370hp
R44S-.030 .016 30 18436572
7
750 650D
8-455
375hp
R44S-.030 .016 30 18436572 12°
5
750 600D
8-455
390hp
R45S-.030 .016 30 18436572
5
- 600D
8-455
390hp 8
R44S-.030 .016 30 18436572 12°
5
- 600D
8-455
400hp
R45S-.030 .016 30 18436572 12°
5
- 600D
1971 6-250
3
R46TS-.035 .019 33 153624 550 500D
8-350
155hp
R46S-.040 .016 30 18436572 10°
5
750 600D
8-350
180hp Std. tran
R45S-.040 .016 30 18436572 10°
5
750 -
8-350
180hp Auto tran
R46S-.040 .016 30 18436572 12°
5
- 600D
8-455
185hp
R46S-.040 .016 30 18436572
5
750 600D
8-455
225hp
R46S-.040 .016 30 18436572
5
- 600D
8-455
260hp
R45S-.040 .016 30 18436572 10°
5
750 600D
8-455
260hp Std. tran 8
R45S-.040 .016 30 18436572 12°
5
750 -
8-455
260hp Auto tran 8
R45S-.040 .016 30 18436572 10°
5
- 600D
8-455
265hp
R46S-.040 .016 30 18436572 10°
5
- 600D
1972 8-350
2 Bar carb
R46S-.040 .016 30 18436572
5
750 650D
8-350
4 bar carb Std. tran
R45S-.040 .016 30 18436572
5
750 -
8-350
4 bar carb Auto tran
R46S-.040 .016 30 18436572 12°
5
- 600D
8-455
250, 270hp
R46S-.040 .016 30 18436572
5
- 600D
8-455
300hp
R45S-.040 .016 30 18436572 10° 1000 650D
8-455
Others Std. tran
R45S-.040 .016 30 18436572 10°
5
750 -
8-455
Others Auto tran
R46S-.040 .016 30 18436572
5
- 650D
1973 6-250
3
R46TS-.035
3
31-34 153624 700 600D
8-350
2 Bar carb 9
R46S-.040 .016 30 18436572 14°
5
- 700D
8-350
2 Bar carb 10
R46S-.040 .016 30 18436572 12°
5
- 700D
8-350
4 bar carb Std. tran
R45S-.040 .016 30 18436572
5
1100 -
8-350
4 bar carb Auto tran
R46S-.040 .016 30 18436572 12°
5, 11
- 650D
8-455
9
R45S-.040 .016 30 18436572 10°
5
1000 -
8-455
10
R46S-.040 .016 30 18436572
5
- 650D
1974 6-250
3
R46TS-.035 .019 31-34 153624
13
850N 600D
8-350
4 bar carb
R46S-.040 .019 30 18436572 12°
5
- 650D
8-455
275hp
R45S-.040 .019 30 18436572 14°
5
- 650D
8-455
4 Bar carb
R46S-.040 .019 30 18436572
5
- 650D
8-455
4 Bar carb 12
R46SX-.080 - - 18436572
5
- 650D
8-455
4 Bar carb 14
R46S-.040 .019 30 18436572 10°
5
- 650D
8-455
4 Bar carb 12, 14
R46SX-.080 - - 18436572 10°
5
- 650D
1975 6-250
3
R46TX-.060 - - - 10° 850
6
8-260 R46SX-.080 - - -
15
750 650D
8-350
16
R45TSX-.060 - - - 12° - 600D
V8-350 R46SX-.080 - - - 20°
5
- 650D
V8-400
4
R45TSX-.060 - - - 16°
5
- 650D
V8-455 R46SX-.080 - - - 16°
5
- 650D
V8-455
14
R46SX-.080 - - - 12°
5
- 650D
 

1- BTDC - Before top dead center

2- D- Drive N- neutral

3- See Chevrolet for service procedure

4 - See Pontiac for service procedure

5 - At 1100 rpm

6 - Exc CA 550D, CA 600D

7- At 850 rpm

8- Air Induction

9- Intermediate cars

10- Full size

11- Vista-cruiser 10°

12- With high energy ignition system

13- Manual tran 850 rpm Auto 600 rpm

14- Toronado

15-Exc CA 16° CA 18° BTDC at 1100 rpm

16- Omega only. See Buick for service procedures

17- Exc. Starfire