Automatic Transmission Fluid Tests

[vteco]

I enjoy watching Youtube channel Project Farm's test of products. Lately when thinking about changing fluids in my '96 Silverado K1500 to favor lower viscosity for better fuel economy while being mindful of transmission wear and longevity, I have looked pretty carefully at this one:

https://www.youtube.com/watch?v=mF2jlNc9Tqw