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 …

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

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 …

Mar 28, 2010 · So the Lake Speed Jr. and Repair Geek just posted a video testing 5 different diesel fuel additives against untreated fuel. Interesting results with Cetane and wear scar. If …

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 …

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 …

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 …

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+ …

May 7, 2007 · Have used: Redline MT-90, Amsoil MTG. Amsoil MTG is a better shifting gear oil overall. It was in a Nissan Maxima 6 speed. ^^2nd. I`ve used both and Amsoil is better by …

Jan 23, 2013 · Matches my experience with Amsoil (and every other multi-vehicle ATF) in a Honda application - the shift quality is simply inferior to the OE fluid. For the record, I have not …