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 …

Nov 8, 2017 · Just had some analysis come back for my 2021 Ford F350 for AMSOIL Signature Series that I recently switched to and the motorcraft that was in it before the change. Both done right around …

Nov 21, 2024 · Switched from HPLs 0W-20D after less than stellar wear metal totals. Amsoil 5w30 Diesel Oil showed a very good reduction in wear metals. Not sure what caused the fuel dilution …

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 …

May 3, 2025 · Similar threads Amsoil Signature Series 0w-20 rstcso Jun 13, 2025 Virgin Oil Analysis - PCMO/HDEO 2 3 Replies 50 Views 5K Dec 27, 2025

Aug 24, 2011 · Amsoil "Synthetic Multi-Vehicle Automatic Transmission Fluid" and Mobil 1 Synthetic ATF both claim to be as good or better than Mercon V. Both are around $9 per quart.

Jul 29, 2022 · voa of amsoil z rod 10w40. View attachment 270644 Is an oxidation value of 35 considered good? I never can get the numbers straight.

Nov 4, 2025 · The remaining two Amsoil filters I had on the shelf are in the garage's trash can. The last OCI, I continued using Amsoil SS, but a different filter brand. I chose Pentius, but I'm pretty sure …

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, …

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 …