Miata Mailing List: January 1993, Message #4
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   From: (none)
Subject: Re: synthetic diff oil
   Date: (none)

> Redline recommends their 75W-90 gear oil for "almost all" limited slip
> and non-LSD applications.  It's described as a GL-5+ oil.  This satisfies
> the Mazda requirements of a 90W GL-5 oil (for > 0 degrees F).
> 
> Michael
> 

Is the Redline 75W-90 oil marketed as MT-90 or MTL?  Which is for
transmission and which is for the differential.  And, most importantly,
how do you get it in the transmission once you've drained the old oil
out?  

-Jeff