I just completed my first fluid change on the tranny using maxlife. I took it for an hour test drive and so far no issues. The procedure was a bit of a pain though and one that I didn't follow exactly to the T. I bought two clear measured 5 quart buckets from the hardware store. I caught about 100ish oz. of dirty fluid which was about right according to a bit of literature. With my second bucket, I filled it to match the goop in the first bucket. The worst part was pouring it back in as the port under the battery tray was horribly slow and there was a little bit of spillage (which was added back). I haven't measured (shame on me) it but did take it for a test drive and it runs like a charm. Here's a crazy thought, why not make transmissions so you can simply cold drain/cold and be done with it?