Aft VI?

02-02-2010, 07:48 AM

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Aft VI?

While doing a little research for which ATF too use in my 03 tranny I came across this link from GM.
http://www.gm.com/experience/technol...ase_30NO07.doc

This is what caught my eye:

Quote:

DEXRON®-VI licensed fluids are fully backward compatible and can be used in all applications covered by earlier GM ATF specifications.

Anyone know of a very good reason to drain my tranny of DexIII/Merc and make the switch to AFT VI?