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    5w20 vs 10w30 Pennzoil UP in Ford 5.4L

    Guys a couple of oil changes ago I started using Pennzoil Ultra Platinum 5W20 in my 2006 F250 with 5.4L gas burner. It's time for an oil change again and I typically use Amazon to shop because it's cheaper / more convenient and I live in the DFW Metroplex so I get the product either same day...
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    AMSOIL vs. any other brand

    Got a question. I typically use Royal Purple Full Synthetic 5W20 in my truck. I have had oil analysis' done and the RP seems to be doing pretty well in my truck. I also have a motorcycle and have been using the Royal Purple Synthetic Motorcycle oil. Here lies the question. A friend of mine...
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    Royal Purple 5W20, 3000 miles, 2005 Ford F150 5.4L

    I'm new to this website and I have a question or two. 1. What is the starting TBN for the oil that I am using? Royal Purple 5w20 2. The report says my engine looks pretty good, what do you guys think? Please let me know...
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