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Return of the unleaded thread

To: TRIUMPHS@AUTOX.TEAM.NET
Subject: Return of the unleaded thread
From: dan parslow <DJP@ALPHA.SUNQUEST.COM>
Date: Fri, 20 Oct 1995 13:31:33 -0700 (MST)
Well, at the risk of starting up another Thread That Wouldn't Die,
we in AZ are in the process of losing all our leaded pumps.  It
won't be illegal until Jan 1 but the major companies are converting
their leaded pumps to that new middle octane unleaded even now.

With specific respect to Triumph 6-cylinder engines (in my case
a Vitesse, head equivalent to a Mk I GT6) has anybody experienced
valve recession problems when going over to unleaded?

I've started her on premium unleaded with a wee dram of Marvel's
Mystery Oil (tee-em) in the hope that this will help provide the
missing lubrication.   Do I have much to worry about?  How is
Triumph steel at handling unleaded?

Dan Parslow
djp@alpha.sunquest.com

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