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    1997 ram 1500 3.9 extended OCI?

    Hello everyone, I have a 97 ram 1500 with 114,700 miles on it. I have been using regular Quaker state every 3,000. I have a few leaks that amount to half a quart every 3,000 miles so I'm trying Mobil 1 10W30 high mileage currently (changed it today). I'm interested in extended OCI. My driving...
  2. R

    PENZOIL Platinum HM lower oil pressure

    Hi all. I have a 97 ram 1500 with a 3.9 magnum. It has 110,000 on the clock. I normally use Mobile 1 EP 5w30 but the price with rebate was too good to pass up on the Penzoil Platinum High Mileage 5w30. I've only got 14 miles on the oil but have noticed significantly less pressure with the PP...
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