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Thread: Gas Engine Tune Up Specs

  1. #1
    Join Date
    Jan 2003
    Location
    South of a Cornfield, IA
    Posts
    1,380

    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 04:42 PM.

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  3. #2
    Join Date
    Jan 2003
    Location
    South of a Cornfield, IA
    Posts
    1,380
    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 04:42 PM.

  4. #3
    Join Date
    Jan 2003
    Location
    South of a Cornfield, IA
    Posts
    1,380
    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

  5. #4
    Join Date
    Jan 2003
    Location
    South of a Cornfield, IA
    Posts
    1,380
    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 07:21 PM.

  6. #5
    Join Date
    Jan 2003
    Location
    South of a Cornfield, IA
    Posts
    1,380
    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

  7. #6
    Join Date
    Jan 2003
    Location
    South of a Cornfield, IA
    Posts
    1,380
    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

  8. #7
    Join Date
    Jan 2003
    Location
    South of a Cornfield, IA
    Posts
    1,380
    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 04:47 PM.

  9. #8
    Join Date
    Jan 2003
    Location
    South of a Cornfield, IA
    Posts
    1,380
    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 04:50 PM.

  10. #9
    lux hauler is offline Cadillac Owners Connoisseur
    Join Date
    Jan 2003
    Location
    Ohio
    Age
    47
    Posts
    1,258
    Dead Sled,
    Lots of info there. Thanks for posting it.

  11. #10
    Join Date
    Jan 2003
    Location
    South of a Cornfield, IA
    Posts
    1,380
    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

  12. #11
    Join Date
    Jan 2003
    Location
    South of a Cornfield, IA
    Posts
    1,380
    some where I have the 80-present specs I'll keep looking

  13. #12
    stupeds is offline Cadillac Owners Member
    Automobile(s): '74 Sedan Deville
    Join Date
    Oct 2004
    Location
    Bakersfield, CA
    Posts
    23

    Re: Gas Engine Tune Up Specs

    shouldnt the sparkplug gap on the 74 500 and 472 be .060 with the hei dist?

  14. #13
    Join Date
    Jan 2003
    Location
    South of a Cornfield, IA
    Posts
    1,380

    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

  15. #14
    stupeds is offline Cadillac Owners Member
    Automobile(s): '74 Sedan Deville
    Join Date
    Oct 2004
    Location
    Bakersfield, CA
    Posts
    23

    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.

  16. #15
    Join Date
    Jan 2003
    Location
    South of a Cornfield, IA
    Posts
    1,380

    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

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