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Thread: What Oil do you run in your Catera?

  1. #1
    xanax06's Avatar
    xanax06 is offline Cadillac Owners Fanatic
    Automobile(s): 1997 Catera
    Join Date
    Jan 2008
    Location
    Philadelphia
    Posts
    144

    What Oil do you run in your Catera?

    I have the 97' Cat. Ive used synthetic, conventional,
    no noticeable difference.
    Right now I'm using Castro 10-30.
    I don't like it much. The engine seems
    louder than usual. Anyone here ever
    use that Z-max stuff? I'm leary of using
    anything like a slick-50 product.


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  3. #2
    catman'98 is offline Cadillac Owners Member
    Automobile(s): Cadillac Catera '98
    Join Date
    Sep 2008
    Posts
    30

    Re: What Oil do you run in your Catera?

    I had the same question, so I searched this forum. I found this thread:
    http://www.cadillacforums.com/forums...right-cat.html

    It seems there are variables that each of us should consider, like...
    - How old is the engine?
    - Has it been well maintained?
    - What type of climate do we live in?
    - Is the car kept in a warm garage, or outside...where cold starts are frequent?

    My Catera has over 96k miles. I live in GA, where the summers are hot (+100F) and the winters are moderate (rarely below +20F). The car is garage kept, so it doesn't experience very many cold starts. The previous owner(s) did not maintenance the car as well as they should have. It was evident when I bought the car. It doesn't burn any oil and the leaks are very minimal / normal. I'm a firm believer in the premium synthetic oils, and use it in all the new vehicles that I buy. But, I don't think it would be the best for this older engine. I don't want to risk a synthetic that has 'deposit removal' detergents.

    My choice? Valvoline, Premium Conventional 10W30

  4. #3
    achapra's Avatar
    achapra is offline Cadillac Owners Member
    Automobile(s): 2001 Catera Sport
    Join Date
    Apr 2008
    Location
    Chicago, IL.
    Age
    30
    Posts
    59

    Re: What Oil do you run in your Catera?

    I use mixed... went for an oil change, since I didn't know what the owner before me used we decided it best to use mixed. (Bought the car back in March... was a little late on the oil change by couple of miles :-(!) Car seems to be running great.

    any objections?

  5. #4
    achapra's Avatar
    achapra is offline Cadillac Owners Member
    Automobile(s): 2001 Catera Sport
    Join Date
    Apr 2008
    Location
    Chicago, IL.
    Age
    30
    Posts
    59

    Re: What Oil do you run in your Catera?

    Oh yea, what'd you do with all that money?? I don't feel like looking for the forum post to find out ! lol.

  6. #5
    R-Caddy's Avatar
    R-Caddy is offline Cadillac Owners Enthusiast
    Automobile(s): 2 1997 Cateras: black&ocean green
    Join Date
    Jul 2005
    Location
    Savannah, GA
    Age
    32
    Posts
    698

    Re: What Oil do you run in your Catera?

    I used to use Royal Purple, but went back to Mobil 1- 10W 30

  7. #6
    Join Date
    Aug 2003
    Location
    Watertown, MA
    Age
    32
    Posts
    199

    Re: What Oil do you run in your Catera?

    Penzoil Platinum Full Synthetic 10-30. Far better than mobil 1, Best desludging oil... and Holds the most pressure at any given time regardless of temperature...


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