[Mgs] periodic miss

[Charles Hill]

Since the tach is dropping like that it sounds like it would be in the 
ignition primary circuit.  My first suspect would be the ignition switch.
Charles Hill

On 3/7/2012 9:44 PM, Paul Root wrote:
> The tach dropping I think tells you that it's electrical and not fuel.
>
> Capacitor? spark plug/coil cables? rotor, cap. the usual suspects.
>
> Paul.
>
>
> On Mar 7, 2012, at 9:15 PM, Monte/Jane Morris wrote:
>
>> Hi everyone.
>> Every once in a while, at highway speeds, our 79B cuts out just for a
>> second or two and then runs fine thereafter. It always runs great except
>> for this "glitch" every once in a while. When it happens the tach
>> immediately drops off sharply and then almost instantly resumes normal
>> operation. Any ideas?
>> desmogged 79B with points dizzy and dual HIF's. Coil replaced several
>> thousand miles ago.
>>
>> Thanks,
>> Monte
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