[Healeys] Odd misfire problem Cooper S

[Bob Spidell]

Michael,

Do you have a Colortune glass spark plug?  I'm reaching here, but if you could view the spark event you could at least 
determine whether it's electrical or not.

Bob



On 10/17/2014 4:54 AM, Michael wrote:
> Well I listened to peoples advice... changing the cap and leads, a horrible
> job on a Cooper S, made no difference.
> Checked the valve clearances again.
> Even put in a new plug and peered around inside the cylinder with my
> neighbours"borescope". Nothing.
> Checked the compressions again still all at  160.
> Tightened the manifold stud nuts.
> When the engine is idling blocking off a carb intake progressively makes the
> engine slow down and stop...the same result for either carb.
> Checked the valve springs....all good.
> It seems that all I have succeeded in doing is make the problem worse...now it
> never goes on to 4 cylinders...
> Maybe if I store it for the winter all will be better in the spring.
> Thanks to all for their suggestions.....I'm beat.
> Michael S
> BN1 #174
>
>
>


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Bob Spidell           San Jose, CA            bspidell at comcast.net

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