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  1. Amsoil - Worth it? | BobIsTheOilGuy

    Apr 13, 2012 · Amsoil, Shaeffers and T6 are all very capable fluids. But, depending upon individual application of fluid and equipment, there may or may not be a clear "winner" above the others. The …

  2. Should I use Amsoil Signature or Extended Life

    Jul 16, 2005 · If I am buying Amsoil, I really don't see the point of buying anything other than their Signature Series. Then again, I live in the US and there are plenty of quality oils available at Walmart …

  3. Is Amsoil Really Worth The Money? | BobIsTheOilGuy

    Apr 22, 2008 · Amsoil IS worth the money for protection and longer intervals b/t oil changes. The one thing that you may not have thought about though is that the 6.0 PSD shears oil more than any other …

  4. Is Amsoil really the best motor oil? | BobIsTheOilGuy

    Mar 5, 2003 · Is Amsoil really the best motor oil available for most cars and trucks? Recently people have been posting the results of various tests that have been done. Of course, much of this testing …

  5. Mobil 1 0W20 VS Amsoil 0W-20 Signature Series

    Nov 26, 2006 · Amsoil has 2 0W-20's that are API-certified, the 'XL' and 'OE' 0W-20. IF you want to go with Amsoil, maybe choose one of those. I'm not an Amsoil user, but Amsoil fans seem to react …

  6. Amsoil Multi-Vehicle ATF? ATF+4? Debate settled?!

    Feb 20, 2025 · Contact Amsoil they will give you the correct answer. I use Mobil 1 ATF in everything but the Dodge. Well Amsoil recommends their Multi-Vehicle ATF for ATF+4 applications, and their Fuel …

  7. Amsoil vs everyone else | BobIsTheOilGuy

    Jul 19, 2004 · Amsoil doesn't encourage extending OCI without UOAs, or in severe service conditions. They also recommend regular filter intervals and there are qualifications on 100K+ cars. I don't do …

  8. Are Amsoil EAO Filters Actually Better? | BobIsTheOilGuy

    Feb 11, 2007 · Amsoil EAO filters tout 99% filtration @20microns, but the test done by Ascent Filtration Labs shows Fram XG 99% @15microns. For the price, I would hope Amsoil is a better quality filter, …

  9. Amsoil Synthetic 2-Stroke Oil Vs. Stihl | BobIsTheOilGuy

    Jan 1, 2012 · I have always run Stihl 2-Cycle Oil in my Stihl trimmer and blower. Someone at work convinced me to switch to Saber™ Professional Synthetic 100:1 Pre-Mix 2-Cycle Oil. So I did, only …

  10. 5w-30 compared by LSJr - NAPA, Amsoil, RP, ST | BobIsTheOilGuy

    Jul 22, 2005 · Lake Speed Jr tests & compares four, synthetic 5w30 engine oils. Super Tech Full Synthetic Amsoil OE NAPA Full Synthetic Royal Purple Premium He spends 8hrs on the dyno testing …