I started using AMSOIL products back in 2008. Since then 100% of all of the systems in my vehicles have been converted to AMSOIL products. I have used Signature Series transmission fluid in all the vehicles with auto transmissions, many that had near 200K miles on the odo and still going strong when sold.

My 22 f250 6.7 10spd started shifting erratic with only 30k miles, took it to the dealer they said that's the way it should be and did nothing. So I did a complete flush 18 quarts of ulv atf amsoil and now the transmission shifts perfect. Don't know what this stuff is made with but it works.

Really great fluid transmission shifted much smoother after changing

This transmission fluid is the best I have ever used. Immediately noticed a huge improvement!

I just changed my transmission fluid about 6000 mile ago so I didn’t change my filter. I just drained it and put this in. Honestly it shifts smoothly I pull a 10 thousand pounds of trailer and hay 2 times a week sometimes 3at 50 mile drive. . Temp on my transmission dropped about 5 to 7 degrees. I will change it again in the spring and put a new filter in it. So far I love it.

Second recent purchase. Done a drain and refill on both mine and the wife's vehicles. She knows zero about vehicles but said she's noticed smoother quieter shifting in her 2013 Camry

I use all Amsoil fluids in my Dodge Ram 3500. Truck runs great !!!

Like the rest of the Amsoil line up, it’s awesome! 2011 duramax.

Makes filling a trans or diff so much easier, the fact that it’s the best fluid available is just a pleasant bonus feature

The way this oil changed how my transmission shifted and performed is unreal. Extremely highly recommended.

Replaced plastic pan with PPE cast aluminium pan. New Amsoil ATF fluid. Transmission shifts smoother and noticed slight increase in MPG as I also changed the transaxle and differential fluids with Amsoil products. My family started using Amsoil back in 1974 in all our vehicles through the years with great results.

I recently bought a 2021 Lexus IS300 AWD, and changed out all of the fluids to Amsoil. So far the transmission is shifting smoother with the new Amsoil fluid that I changed in July. Since then I've put about 4,000 miles on the car and it's still shifting incredibly smooth. I would definitely recommend Amsoil ATF to anyone who cares about their vehicles.

Completed a complete flush and fill with new filter and the transmission is shifting like a dream. Restored power and RPMs have dropped at shift points.

Used for 5 speed in 1997 cobra mustang

2021 GMC Savana 2500 8 Speed 8l90 Shutter Best fluid on the Market

I always use signature series transmission fluid. I can say that it works better with smoother shifting in all my transmissions. I have had vehicles go over 300,000 miles with no transmission issues at all! Great hydo boost fluid also. Nothing else even comes close to the quality of this fluid?

Best transmicuon oil

The many many years using AMSOIL, I have always loved the products! In recent years I have noticed that customer service and fast shipping has now caught up with the product quality! Thanks!!!

I just started using this in my transfer case on my Super Duty. It works well. Am going to try it in transmission at my next service interval.

Used for transmission service on 2008 Honda Pilot. After 500 miles, smoother shifting and no gear hunting.