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Old 01-28-2014, 06:43 PM
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oil change on 02 wj 4.0

I would like feedback +/- On this OC. PL30001 yellow filter, Rotella T5 10W-30 oil, Stp oil treatment. 4.0 has 90,000 on the clock.
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Old 01-29-2014, 12:13 PM
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Re: oil change on 02 wj 4.0

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Originally Posted by mrstas63 View Post
I would like feedback +/- On this OC. PL30001 yellow filter, Rotella T5 10W-30 oil, Stp oil treatment. 4.0 has 90,000 on the clock.
For good all weather, I'd suggest a 5W-50 Synth or Synth Blend. With well over 150K on a '95 4.0 never had problems with oil mileage and never used any of the "high mileage" oils, just synth/blend.

STP isn't really required, but I used it as well. Also sea foamed about once a year.
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Old 01-29-2014, 12:44 PM
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Re: oil change on 02 wj 4.0

Thank you. I sure will give this my consideration with what you had to say.
Again thank you.
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Old 01-31-2014, 08:42 PM
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