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Re: Goodparts GP2 cam, was Ignition timing at high RPM

To: Dave Murray <murr32@shaw.ca>
Subject: Re: Goodparts GP2 cam, was Ignition timing at high RPM
From: John Mitchell <jmitch@snet.net>
Date: Thu, 29 Jun 2006 20:35:38 -0400
Could the inductive sensor be picking up a stray signal from the 
alternator?  Just a guess       John Mitchell

Dave Murray wrote:

>Robert,
>
>I am running ZS carbs with modified needles.  I agree my problem is ignition
>related, the GP2 cam seems to be very nice for street use, very smooth when
>the timing is right.  I am chasing an ignition problem that shows up when
>using a timing light on the #1 plug wire.  The timing mark will appear
>correctly then disappear occasionally; it actually shows up ~120 degrees
>clockwise from vertical.  If I connect the light to #6 plug wire everything
>is stable (any other plug wire shows a stable position).  I have swapped
>plug wires, cap, rotor, tried points, Crane XR700, and Petronix to no avail.
>I am currently running with points.
>
>Any suggestions welcome.
>
>Dave




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