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Re: TR4 Sputter

To: "Dave Lee" <davelee1@home.com>
Subject: Re: TR4 Sputter
From: "Graham Stretch" <technical-iwnet@lineone.net>
Date: Thu, 17 Feb 2000 20:38:21 -0000charset="iso-8859-1"
Cc: "List Triumph" <triumphs@autox.team.net>
References: <002401bf7980$69c5aac0$0200005a@home>
Hi David
The ballast resistor is to reduce the voltage to the coil to six volts so I
would guess that the ignition did not like the 6v feed to the dizzy side of
things and the coil doesn't like the 12v feed and is probably suffering with
the fever (very hot).

Graham.


----- Original Message -----
From: Dave Lee <davelee1@home.com>
To: <triumphs@autox.team.net>
Sent: Thursday, February 17, 2000 7:51 PM
Subject: TR4 Sputter


>
> What might one check if his TR4 sputters at low engine speed.  When I
start
> from stops and promptly after shifting is when the car will have that
> strange sputter for lack of better word.  It feels as if the ignition isnt
> working properly at those moments.  While not moving the car can be revved
> up and down without any symptoms.  Also if I give it good blip before
> letting the clutch out it doesnt seem to do this.
>
> One thing is that I have some strange electrical issue Im working out.  I
> almost want to say that at low engine speeds, since my ammeter shows a
draw
> Im not getting enough juice to give me a good spark.  Im also using the
> Crane XR700 electronic ignition system.
>
> I have also been using a coil that needs a ballast resistor without the
> resistor.  This is because the car stalls with the resistor in line.  The
> sputtering is a new thing that seems to be getting worse.  I orderred a
new
> coil from Crane.   Maybe my coil is dying.  Since the engine block gets
> pretty warm is it a good idea to mount the new coil some place else or is
> the temperature negligible?
>
> Thanks for the help
> David Lee
> 64 TR4 (almost there)
>
>
>



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