1983 2 door Fleetwood Brougham 4.1L V8 tune up parts spark plugs
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RWD 19xx-1984 DeVille and Fleetwood,
1985-1996 Fleetwood and Brougham Forum Discussion, 1983 2 door Fleetwood Brougham 4.1L V8 tune up parts spark plugs in Past Cadillac Vehicle Discussion; Need help here. Need the best modern tune up kit available today for my vehicle. Besides OEM, what spark plugs ...
  1. #1
    caddy1983 is offline Cadillac Owners Member
    Automobile(s): 1983 Fleetwood brougham 2 door
    Join Date
    Oct 2009
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    1983 2 door Fleetwood Brougham 4.1L V8 tune up parts spark plugs

    Need help here. Need the best modern tune up kit available today for my vehicle. Besides OEM, what spark plugs can i use for my car. What I have now and what ive been using for the last 30 years on the car were oem parts except for the wires. The wires I currently have now are Bosch purchased at Autozone(chief auto parts) over 20 years ago. I have a lifetime warranty
    on the cables. I know there are so many types of plugs out there(iridium, double platinum, 2,3,4, prong etc...) Is there a plug that is a bit better than oem? keep in mind i dont want to break the bank here. Just need something a little better and that have been proven to improve both fuel and performance. Thanks OH!!!! I have over 240,000 miles on the car with the original
    drivetrain. Car still runs very well for a 30 year old 4.1L V8

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  3. #2
    carnut is online now Cadillac Owners Master
    Automobile(s): 1988 Allante' (sold), 1984 Eldorado, 84 Sedan DeVille
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    Re: 1983 2 door Fleetwood Brougham 4.1L V8 tune up parts spark plugs

    On my 84 Sedan DeVille I used the platinum plugs for a 91 4.5 Cadillac, A/C Delco. They go 90,000 miles. Cap and rotor, I used Accel tan cap and rotor. Make sure to use dielectric grease on the plug boots at both ends. I used the same plugs on my 88 Allante 4.1.

  4. #3
    caddy1983 is offline Cadillac Owners Member
    Automobile(s): 1983 Fleetwood brougham 2 door
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    Re: 1983 2 door Fleetwood Brougham 4.1L V8 tune up parts spark plugs

    Thanks anymore info. will be appretiated

  5. #4
    AElayyat's Avatar
    AElayyat is online now Cadillac Owners Connoisseur
    Automobile(s): 85 Fleetwood Brougham, 90 Brougham 5.7, 05 Deville DTS
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    Re: 1983 2 door Fleetwood Brougham 4.1L V8 tune up parts spark plugs

    I know you are asking for plugs that are not OEM, but on my 85 brougham I have been using the AC Delco Rapidfire plugs for years & they have never given me any issues. I did try the Bosch plugs & they were not all of that. I'm sure some of the other members have tried other brands of plugs & will give you a heads up.

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