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 …

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 4K Dec 27, 2025

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 …

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 …

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 …

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 …

Dec 22, 2021 · I'll be using Amsoil engine, transfer, and crank case oil, but figured I should stick with Toyota WS for the transmission, as deviating from OEM ATF is sacrilegious in most auto circles. …

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 …

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, …