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Re: [TR] TR4 - Dwell v Points Gap

To: <triumphs@autox.team.net>
Subject: Re: [TR] TR4 - Dwell v Points Gap
From: "Randall" <tr3driver@ca.rr.com>
Date: Mon, 2 Jun 2008 15:07:52 -0700
> A dwell meter needs to know how many cylinders there are

Right.  The problem is that dwell is given as an angle, not as a percent.
Without knowing how many cylinders, the meter has no way to know what
constitutes a full circle.

> That's why I said that the spec of 60* dwell was suspicious...that 
> only leaves 30* or less for an open angle where the coil 
> charges.  Doesn't sound like enough to me...

Perhaps, but 60 seems to be the spec for all Lucas 25D4 dizzys, including
those fitted to MGBs and Minis.  

Randall
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