read the link
http://www.imakenews.com/lng/e_artic....cfm?x=b11,0,w

Your link is for Dex 6.

To me, that means the fluid has to be thinner. And that is NOT good for the 4t-60e, especially for a non-rebuilt unit. It would mean absolute death putting that fluid in that unit. They say Dex6 will supercede all other fluids, but for some reason, I don't buy that.
But in a rebuilt/remanufactured model that has been upgraded with the latest updates, I might buy in.

Anyways, let'* steer this topic back to where it needs to be. This is not a dispute on what fluid is better than the other. Save that for a new topic, shall we?

sorry i ment dex 6
but obviously you didnt read everything if you keep going you will find this


GM, Afton and Petro-Canada sought to develop a fluid with a more consistent viscosity profile compared to Dexron-III(H); that would perform more consistently in extreme conditions; and that would degrade less over time. They achieved these improvements, officials said, by raising requirements for oxidative and shear stability, foam performance and protection against pitting.

GM claims that Dexron-VI delivers more than twice the durability and stability in friction tests than do existing fluids. Although the company is still gathering data, it expects this to lead to a drain interval extension of roughly the same order.

“The result [of the effort] is a new fluid that significantly outperforms existing fluids in every aspect,” said Roy Fewkes, driveline fluids group leader for GM Powertrain. “In fact, we have had to significantly extend the length of our durability tests to fully test the fluid’* capability.”

Editied my previous post just when you posted. I admit, I skimmed. I would like to see what effect this fluid has on older, non-rebuilt transmissions before I go buying it.

It'* funny. GM said the same thing about Dexcool and how it is far superior to the older green coolant

If it aint broken, dont fix it. The transmission is made for Dex 3/4, so you'd stick with it. Its not made for anything else. There would be no benefits to get anything other than regular transmission fluid, and there are no possible ways you can improve your transmission by putting in any other kind of fluid except to screw it up (Lucas Transmission Fix is an exception).

Ive used regular transmission fluid in my 1993 SE through all its life, and my original factory transmission is still running like its new 207k miles later. No slip, no nothing. If you want a durable transmission, install an auxiliary transmission cooler and keep changing the fluid every once in a while. Thats it.