Subject: [TR] Lead substitutes

From: Jim Henningsen <[email-masked]>
Date: Wed, 17 Mar 2021 08:16:16 -0400

What’s the wisdom on using lead substitute in gas for triumph four cylinder without modifications for unleaded head.  Use, don’t use?  I use the Valvoline racing oil with zinc in the engine.
Thanks,
Jim Henningsen
Ocala fl

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