Found this while doing a yahoo search:
http://ret0027h.eresmas.net/lotuselancentral/archives/october02mb.htm
Oct 1, 2002 - 23:46 - From: Doug
Title: Castrol TAF-X in the USA
Message: Here is the response to the inquiry I sent to Castrol USA about where to get Castrol TAF-X in the USA...
The amoil came out clean at 800 miles after getting out what you see above.
Then I put mobil 1 in. I used that because I could get it easier, than tracking down the amsoil guy.
That was the GM stock fluid in the sample after the rebuild at the dealer. I then put in amsoil and changed it after 800 miles or so to see what it looked liked. Now I have Mobil 1 ATF in the tranny.
True!! Got 2 friends with Z06s that had full clutch systems replaced under warranty. The clutch pedal sticks to the floor.
The 6 speeds in the C4s where much better.
Its all about the warranty my friend.
They don't install synthetic ATF in the vettes from the factory, so I doubt thats what they used at the garage for the rebuild. They do install it in the diff.
I got the mobil 1 this time becasue I can get it up the road. The shifting from the amsoil is...
Reverse failure and synchro problems.
I changed the fluid myself at 15k miles to amsoil. The fluid didn't look that bad then at all. The T-56 is not that great. A few guys having synchro problems.
Not sure what the fluid looked like then. Don't know if it could of been much worse than this...
01 Z06 6 speed with 29K total miles. The tranny was rebuilt at 21k miles at the dealer under warranty. These 6 speeds get ATF dex III. Here is what the fluid looked like 8k miles after the rebuild:
I just sent off for an oil Analysis kit. I put amsoil ATF in the tranny and just changed it...
www.speedbleeder.com are nice to use when doing a bleed/flush of the brake fluid. When doing a flush I like to get all of the brake fluid I can out of the reservoir first prior to adding the new fluid. I use one of these: