Miata Mailing List: December 1992, Message #113
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   From: (none)
Subject: Redline Products
   Date: (none)

I called up the Redline people and had them send me their propaganda.
It's all very technical and very convincing  -- I decided to try their
transmission oil (MT-90), diff oil (75W-90), and the "Water Wetter".

I changed the transmission oil over the weekend.  You'll need a pump for
this.  Someone on team.net suggested pouring the oil down the shifter hole.
This does not work for the Miata (as I found out -- and can get quite messy).
The transmission oil capacity is rated at 2.1 qts, but two quarts of
replacement oil will suffice.  Get the MT-90 rather than the MTL since
Mazda specifies a 90wt oil for the transmission.

The transmission does seem to shift easier when cold.  I suspect the diff
oil and "Water Wetter" changes will be more subtle.

Michael (mcb@vnet.ibm.com)