| 500, 472, 425, 368 This forum is to discuss the old big block Cadillac engines. | Cadillac Forums: Gas Engine Tune Up Specs 
01-27-03, 02:28 PM
|  | Cadillac Owners Connoisseur  | | Join Date: Jan 2003 Location: South of a Cornfield, IA | | | Gas Engine Tune Up Specs
Year
1967
Engine No. Cyl. Disp. CI (L)
8-429 (7.0)
Fuel Delivery
4V Carb.
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
44 0.035
Distributor Point Dwell (Deg.), Point Gap (in.)
30° 0.016"
Ignition Timing Deg. BTDC (Auto. Trans)
5B
Intake Valve Opens BTDC
39°
Fuel Pump Pressure
5.75 PSI
Idle Speed (Auto Trans)
500 RPM
__________
Year
1968-1969
Engine No. Cyl. Disp. CI (L)
8-472 (7.7)
Fuel Delivery
4V Carb.
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
44N 0.035
Distributor Point Dwell (Deg.), Point Gap (in.)
30° 0.016"
Ignition Timing Deg. BTDC (Auto. Trans)
5B
Intake Valve Opens BTDC
18°
Fuel Pump Pressure
5.75 PSI
Idle Speed (Auto Trans)
550 RPM
Last edited by Dead Sled; 01-27-03 at 05:42 PM.
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01-27-03, 04:53 PM
| | Cadillac Owners Connoisseur | | Join Date: Jan 2003 Location: South of a Cornfield, IA | | | Year
1970-1971
Engine No. Cyl. Disp. CI (L)
8-472 (7.7)
Fuel Delivery
4V Carb.
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
R46N 0.035
Distributor Point Dwell (Deg.), Point Gap (in.)
30° 0.016"
Ignition Timing Deg. BTDC (Auto. Trans)
8B
Intake Valve Opens BTDC
18°
Fuel Pump Pressure
6 PSI
Idle Speed (Auto Trans)
600 RPM
__________
Year
1970-1971
Engine No. Cyl. Disp. CI (L)
8-500 (8.2)
Fuel Delivery
4V Carb.
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
R46N 0.035
Distributor Point Dwell (Deg.), Point Gap (in.)
30° 0.016"
Ignition Timing Deg. BTDC (Auto. Trans)
7.5B
Intake Valve Opens BTDC
18°
Fuel Pump Pressure
6 PSI
Idle Speed (Auto Trans)
600 RPM
Last edited by Dead Sled; 01-27-03 at 05:42 PM.
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01-27-03, 04:58 PM
| | Cadillac Owners Connoisseur | | Join Date: Jan 2003 Location: South of a Cornfield, IA | | | Year
1972-1973
Engine No. Cyl. Disp. CI (L)
8-472 (7.7)
Fuel Delivery
4V Carb.
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
R46N 0.035
Distributor Point Dwell (Deg.), Point Gap (in.)
30° 0.016"
Ignition Timing Deg. BTDC (Auto. Trans)
8B
Intake Valve Opens BTDC
34°
Fuel Pump Pressure
5.25-6.25 PSI
Idle Speed (Auto Trans)
600/400 RPM
__________
Year
1972-1973
Engine No. Cyl. Disp. CI (L)
8-500 (8.2)
Fuel Delivery
4V Carb.
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
R46N 0.035
Distributor Point Dwell (Deg.), Point Gap (in.)
30° 0.016"
Ignition Timing Deg. BTDC (Auto. Trans)
8B
Intake Valve Opens BTDC
34°
Fuel Pump Pressure
5.25-6.5 PSI
Idle Speed (Auto Trans)
600/400 RPM |
01-27-03, 05:03 PM
| | Cadillac Owners Connoisseur | | Join Date: Jan 2003 Location: South of a Cornfield, IA | | | Year
1974
Engine No. Cyl. Disp. CI (L)
8-472 (7.7)
Fuel Delivery
4V Carb.
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
R45NS 0.035
Distributor Point Dwell (Deg.), Point Gap (in.)
30° 0.016"
Ignition Timing Deg. BTDC (Auto. Trans)
10B
Intake Valve Opens BTDC
21°
Fuel Pump Pressure
5.25-6.25 PSI
Idle Speed (Auto Trans)
600/400 RPM
__________
Year
1974
Engine No. Cyl. Disp. CI (L)
8-500 (8.2)
Fuel Delivery
4V Carb.
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
R45NS 0.035
Distributor Point Dwell (Deg.), Point Gap (in.)
30° 0.016"
Ignition Timing Deg. BTDC (Auto. Trans)
10B
Intake Valve Opens BTDC
21°
Fuel Pump Pressure
5.25-6.5 PSI
Idle Speed (Auto Trans)
600/400 RPM
__________
Year
1974
Engine No. Cyl. Disp. CI (L)
8-500 (8.2)
Fuel Delivery
4V Carb.
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
R45NS 0.060
Distributor Point Dwell (Deg.), Point Gap (in.)
Electronic (HEI)
Ignition Timing Deg. BTDC (Auto. Trans)
10B
Intake Valve Opens BTDC
21°
Fuel Pump Pressure
5.25-6.5 PSI
Idle Speed (Auto Trans)
600/400 RPM
Last edited by Dead Sled; 12-23-04 at 08:21 PM.
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01-27-03, 05:06 PM
| | Cadillac Owners Connoisseur | | Join Date: Jan 2003 Location: South of a Cornfield, IA | | | Year
1975
Engine No. Cyl. Disp. CI (L)
8-500 (8.2)
Fuel Delivery
4V Carb.
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
R45NSX 0.060
Distributor Point Dwell (Deg.), Point Gap (in.)
Electronic (HEI)
Ignition Timing Deg. BTDC (Auto. Trans)
6B
Intake Valve Opens BTDC
21°
Fuel Pump Pressure
5.25-6.5 PSI
Idle Speed (Auto Trans)
600/400 RPM
__________
Year
1975
Engine No. Cyl. Disp. CI (L)
8-500 (8.2)
Fuel Delivery
EFI
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
R45NSX 0.060
Distributor Point Dwell (Deg.), Point Gap (in.)
Electronic (HEI)
Ignition Timing Deg. BTDC (Auto. Trans)
12B
Intake Valve Opens BTDC
21°
Fuel Pump Pressure
39 PSI MIN.
Idle Speed (Auto Trans)
600 RPM |
01-27-03, 05:12 PM
| | Cadillac Owners Connoisseur | | Join Date: Jan 2003 Location: South of a Cornfield, IA | | | Year
1976
Engine No. Cyl. Disp. CI (L)
8-350 (5.7)
Fuel Delivery
4V Carb.
Engine Manufacturer
Oldsmobile
Spark Plugs - Origional Type, Gap (in.)
R46SX 0.080
Distributor Point Dwell (Deg.), Point Gap (in.)
Electronic (HEI)
Ignition Timing Deg. BTDC (Auto. Trans)
10B (6B)
Intake Valve Opens BTDC
22°
Fuel Pump Pressure
5.25-6.5 PSI
Idle Speed (Auto Trans)
600 RPM
__________
Year
1976
Engine No. Cyl. Disp. CI (L)
8-500 (8.2)
Fuel Delivery
4V Carb.
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
R45NSX 0.060
Distributor Point Dwell (Deg.), Point Gap (in.)
Electronic (HEI)
Ignition Timing Deg. BTDC (Auto. Trans)
6B
Intake Valve Opens BTDC
21°
Fuel Pump Pressure
5.25-6.5 PSI
Idle Speed (Auto Trans)
600 RPM
__________
Year
1976
Engine No. Cyl. Disp. CI (L)
8-500 (8.2)
Fuel Delivery
EFI
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
R45NSX 0.060
Distributor Point Dwell (Deg.), Point Gap (in.)
Electronic (HEI)
Ignition Timing Deg. BTDC (Auto. Trans)
12B
Intake Valve Opens BTDC
21°
Fuel Pump Pressure
39 PSI MIN.
Idle Speed (Auto Trans)
600 RPM |
01-27-03, 05:19 PM
| | Cadillac Owners Connoisseur | | Join Date: Jan 2003 Location: South of a Cornfield, IA | | | Year
1977
Engine No. Cyl. Disp. CI (L)
8-350 (5.7)
Fuel Delivery
4V Carb.
Engine Manufacturer
Oldsmobile
Spark Plugs - Origional Type, Gap (in.)
R47SX 0.060
Distributor Point Dwell (Deg.), Point Gap (in.)
Electronic (HEI)
Ignition Timing Deg. BTDC (Auto. Trans)
10B (6B)
Intake Valve Opens BTDC
22°
Fuel Pump Pressure
5.25-6.5 PSI
Idle Speed (Auto Trans)
650 RPM
__________
Year
1977
Engine No. Cyl. Disp. CI (L)
8-425 (7.0)
Fuel Delivery
4V Carb.
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
R45NSX 0.060
Distributor Point Dwell (Deg.), Point Gap (in.)
Electronic (HEI)
Ignition Timing Deg. BTDC (Auto. Trans)
10B @ 1400 RPM
Intake Valve Opens BTDC
21°
Fuel Pump Pressure
5.25-6.5 PSI
Idle Speed (Auto Trans)
675 RPM
__________
Year
1977
Engine No. Cyl. Disp. CI (L)
8-425 (7.0)
Fuel Delivery
EFI
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
R45NSX 0.060
Distributor Point Dwell (Deg.), Point Gap (in.)
Electronic (HEI)
Ignition Timing Deg. BTDC (Auto. Trans)
18 @ 1400 RPM
Intake Valve Opens BTDC
21°
Fuel Pump Pressure
39 PSI MIN.
Idle Speed (Auto Trans)
675 RPM
Last edited by Dead Sled; 01-27-03 at 05:47 PM.
|
01-27-03, 05:23 PM
| | Cadillac Owners Connoisseur | | Join Date: Jan 2003 Location: South of a Cornfield, IA | | | Year
1978
Engine No. Cyl. Disp. CI (L)
8-350 (5.7)
Fuel Delivery
EFI
Engine Manufacturer
Oldsmobile
Spark Plugs - Origional Type, Gap (in.)
R47SX 0.060
Distributor Point Dwell (Deg.), Point Gap (in.)
Electronic (HEI)
Ignition Timing Deg. BTDC (Auto. Trans)
10B (8B)
Intake Valve Opens BTDC
22°
Fuel Pump Pressure
5.25-6.5 PSI
Idle Speed (Auto Trans)
650 RPM
__________
Year
1978
Engine No. Cyl. Disp. CI (L)
8-425 (7.0)
Fuel Delivery
4V Carb.
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
R45NSX 0.060
Distributor Point Dwell (Deg.), Point Gap (in.)
Electronic (HEI)
Ignition Timing Deg. BTDC (Auto. Trans)
18B @ 1400 RPM
Intake Valve Opens BTDC
21°
Fuel Pump Pressure
5.25-6.5 PSI
Idle Speed (Auto Trans)
650 RPM
__________
Year
1978
Engine No. Cyl. Disp. CI (L)
8-425 (7.0)
Fuel Delivery
EFI
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
R45NSX 0.060
Distributor Point Dwell (Deg.), Point Gap (in.)
Electronic (HEI)
Ignition Timing Deg. BTDC (Auto. Trans)
18 @ 1400 RPM
Intake Valve Opens BTDC
21°
Fuel Pump Pressure
39 PSI MIN.
Idle Speed (Auto Trans)
675 RPM
Last edited by Dead Sled; 01-27-03 at 05:50 PM.
|
01-27-03, 05:32 PM
| | Cadillac Owners Connoisseur | | Join Date: Jan 2003 Location: Ohio Age: 39 | | | Dead Sled,
Lots of info there. Thanks for posting it. |
01-27-03, 05:34 PM
| | Cadillac Owners Connoisseur | | Join Date: Jan 2003 Location: South of a Cornfield, IA | | | Year
1980
Engine No. Cyl. Disp. CI (L)
6-252 (4.1)
Fuel Delivery
4V Carb.
Engine Manufacturer
Buick
Spark Plugs - Origional Type, Gap (in.)
R45TSX 0.060
Distributor Point Dwell (Deg.), Point Gap (in.)
Electronic (HEI)
Ignition Timing Deg. BTDC (Auto. Trans)
15B
Intake Valve Opens BTDC
16°
Fuel Pump Pressure
4.25-5.5 PSI
Idle Speed (Auto Trans)
550 RPM
__________
Year
1980
Engine No. Cyl. Disp. CI (L)
8-368 (6.0)
Fuel Delivery
4V Carb.
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
R45NSX 0.060
Distributor Point Dwell (Deg.), Point Gap (in.)
Electronic (HEI)
Ignition Timing Deg. BTDC (Auto. Trans)
18B
Intake Valve Opens BTDC
11°
Fuel Pump Pressure
5.5-6.5 PSI
Idle Speed (Auto Trans)
575 RPM
__________
Year
1980
Engine No. Cyl. Disp. CI (L)
8-368 (6.0)
Fuel Delivery
DFI
Engine Manufacturer
Cadillac
Spark Plugs - Origional Type, Gap (in.)
R45NSX 0.060
Distributor Point Dwell (Deg.), Point Gap (in.)
Electronic (HEI)
Ignition Timing Deg. BTDC (Auto. Trans)
10B
Intake Valve Opens BTDC
11°
Fuel Pump Pressure
12-14 PSI
Idle Speed (Auto Trans)
575 RPM |
01-27-03, 05:40 PM
| | Cadillac Owners Connoisseur | | Join Date: Jan 2003 Location: South of a Cornfield, IA | | | some where I have the 80-present specs I'll keep looking |
10-03-04, 02:46 PM
| | Cadillac Owners Member Cadillac(s): '74 Sedan Deville | | Join Date: Oct 2004 Location: Bakersfield, CA | | | Re: Gas Engine Tune Up Specs
shouldnt the sparkplug gap on the 74 500 and 472 be .060 with the hei dist? |
11-04-04, 11:18 PM
| | Cadillac Owners Connoisseur | | Join Date: Jan 2003 Location: South of a Cornfield, IA | | | Re: Gas Engine Tune Up Specs
Quote: |
Originally Posted by stupeds shouldnt the sparkplug gap on the 74 500 and 472 be .060 with the hei dist? | if it has HEI yes if not those specs above are for piont type |
11-18-04, 01:44 AM
| | Cadillac Owners Member Cadillac(s): '74 Sedan Deville | | Join Date: Oct 2004 Location: Bakersfield, CA | | | Re: Gas Engine Tune Up Specs
Quote: |
Originally Posted by Dead Sled if it has HEI yes if not those specs above are for piont type | yeah thats what im trying to say. the 4th post and the 3 engine described is a 74 500 with hei, but you have the gap at .035 when it should be .060 just wanted to give you the heads up so people done set the gap wrong. |
12-23-04, 08:22 PM
| | Cadillac Owners Connoisseur | | Join Date: Jan 2003 Location: South of a Cornfield, IA | | | Re: Gas Engine Tune Up Specs
Quote: |
Originally Posted by stupeds yeah thats what im trying to say. the 4th post and the 3 engine described is a 74 500 with hei, but you have the gap at .035 when it should be .060 just wanted to give you the heads up so people done set the gap wrong. |
ahh fixed it | | Cadillac Discussion Tools | | | 
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