Which fluid for rebuilt T56?
Which fluid for rebuilt T56? I have a rebuilt T56 with lots of miles on it, getting ready to do a fluid change. It has CF blocker rings in it, and I was told by the builder many years ago to go with Mobil 1 synthetic ATF, which is what I've used. But now it's very hard to find, or stupidly expensive where I do find it. I've been looking at the 88861800 GM fluid and Redline D4 ATF, is there one you all would recommend over the other? Is the 1800 safe with the common T56 upgraded parts?
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