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  1. 9

    Mixing Oils?

    I have a jeep amc 4.0 Motor with 141,000 on it I don't know what motor oil was used in the past and I was considering using a quart or two of mobile one or royal purple to receive the benefits of the synthetic oils with the rest being some sort of conventional oil with out opening up any seals...
  2. 9

    Mixing Oils?

    I was thinking about doing an oil change now. and just wanted some thoughts. would it be a good idea to mix convential oil with a synthetic to get the blend that I want or will it just degrade both oils that I mix? I am not sure you can even mix oils but just curious. Thank you
  3. 9

    1998 Jeep cherokee Limited

    Thank you all for your help. One last question though would anyone recommend using a synthetic blended oil? are there any advantages or disadvantages? I like synthetic oils i always use mobile one in our chevy cruze eco or my old mazdaspeed3. My first thought would be to switch the motor oil...
  4. 9

    1998 Jeep cherokee Limited

    Hey I have a 1998 Jeep Cherokee Limited with 4.0 inline 6 motor with 140,000 miles. I got it recently and trying to swap all the fluids in it and just wondering what kind of motor oil would be best to use. I have no clue as to what kind of oil was run in the car before hand. I live about 1 mile...
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