<div dir="ltr"><div>I also just did a drain & refill when going from 30W non-d to MT90.  Draining from the gearbox plug and the big OD plug of course.</div><div><br></div><div>With an OD I think you will want to recheck the level after you have driven the vehicle as it may need topping up.</div><div><br></div><div>Geo</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Jun 4, 2017 at 11:08 AM, Jeff Scarbrough <span dir="ltr"><<a href="mailto:fishplate@gmail.com" target="_blank">fishplate@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">So, as a corollary to the gearbox oil discussion, suppose a Triumph<br>
owner - let's call him "X" - decided to switch from 30 weight<br>
non-detergent oil to Redline MT-90 in his 1975 TR6 with J-type<br>
overdrive.  How much of the old oil needs to be flushed out, and how<br>
would Mr. X go about making the swap painlessly?<br>
<br>
Jeff X<br>
Corrosion Acres, Ga.<br>
<br>
** <a href="mailto:triumphs@autox.team.net">triumphs@autox.team.net</a> **<br>
<br>
Donate: <a href="http://www.team.net/donate.html" target="_blank" rel="noreferrer">http://www.team.net/donate.<wbr>html</a><br>
Archive: <a href="http://www.team.net/archive" target="_blank" rel="noreferrer">http://www.team.net/archive</a><br>
Forums: <a href="http://www.team.net/forums" target="_blank" rel="noreferrer">http://www.team.net/forums</a><br>
Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/triumphs/ahwahneetr@gmail.com" target="_blank" rel="noreferrer">http://autox.team.net/mailman/<wbr>options/triumphs/ahwahneetr@<wbr>gmail.com</a><br>
</blockquote></div><br></div>