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Tachometer Error

To: "Austin-Healey List" <healeys@autox.team.net>
Subject: Tachometer Error
From: "Ned Smith" <smithn00@kitepilot.net>
Date: Sun, 6 Aug 2006 12:46:10 -0400
 Now that the engine is running reliably, I broke out my brand new, multi
function timing light to fine tune things. This revealed a large difference
between actual and Tach RPM. Roughly 55%. The Tach reads 1550 when actual is
1000, 3100 vs. 2000. The archive shows that this is adjusted by the loops of
white wire on the back of the Tach.

In this case should I have more or fewer loops? Larger or smaller diameter
of loop?



Your comments are greatly appreciated,



Ned Smith

BJ8

near Chattanooga, TN

N34.98 W85.5




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