So poor attention caused me to end up buying Dex/Merc ATF instead of the valvoline MaxLife that I initially wanted. Filled the pan and idled it to temp until I realized I bought Dex 3 instead. Transmission has 205k miles, how bad of a mess up was this? I was doing regular maintenance and it didn’t have any issues but I’m afraid with its age I can’t exactly afford to do a flush so I’m hoping to be able to run what I got. Thanks