Dex 6 - M6 Tranny Fluid
From http://www.corvettemechanic.com/foru...read.php?t=957
quote:
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We have been corrected on the use of Dexron 6 in manual transmissions.
You should NOT use Dexron 6 in any manual transmission.
We have NOT been given any particular reason, however, the correct fluid number now is 88861800.
Any vehicle that previously required DEXRON®-III for a manual transmission should now use P/N 88861800.
This fluid is labeled Manual Transmission and Transfer Case Fluid



