About 48,400 results
Open links in new tab
  1. Amsoil Signature Series vs. Heavy Duty | BobIsTheOilGuy

    Feb 26, 2019 · Their site shows these two options for my F-250 6.7L. There is a fairly significant price difference between the two. Both claim to be 100% synthetic. What is the main thing I'm …

  2. 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 …

  3. 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 …

  4. Where to now, Amsoil? | BobIsTheOilGuy

    Aug 20, 2024 · Amsoil, from the start, has pushed the ‘long drain’ mantra, and kept it very consistent - 25k miles or 1 year. Other oils have offered long-drain guarantees, but they have …

  5. Amsoil Signature Series 0W-20 VOA | BobIsTheOilGuy

    May 3, 2025 · Similar threads Amsoil Signature Series 0w-20 rstcso Jun 13, 2025 Virgin Oil Analysis - PCMO/HDEO 2 3 Replies 45 Views 4K Jul 31, 2025

  6. Amsoil OE | BobIsTheOilGuy

    Mar 2, 2022 · Amsoil is just another oil blender buying the ingredients elsewhere + i used it years ago BUT when they quit touting PAO + likely only used as much as need to meet a spec + …

  7. 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 …

  8. Amsoil Engine Flush. Procedure, Filter Observations and future …

    Dec 20, 2020 · Here’s the process I used to complete a thorough Amsoil Engine Flush on our 2006 Toyota Prius with 275,000 miles on it. I also captured before flush and after flush used oil …

  9. Rotella t6 vs amsoil heavy duty | BobIsTheOilGuy

    Oct 29, 2023 · Would I be better off using t6 5-40 or amsoil heavy duty? I’m not planning on extending drain intervals.

  10. Amsoil - Indian Motorcycle Forum

    Jul 15, 2018 · I use Amsoil in every vehicle i own. I've recently bought my first Indian Roadmaster and I asked my local dealer about using Amsoil in the Indian. He recommended that I stay with …