[Healeys] Fwd: ] Odd misfire problem Cooper S

[Richard Ewald]

The spark in that video is awfully healthy.  I'm having a hard time
envisioning that with a spark that healthy that the plug is NOT firing at
all and is wet.
I would spray around the intake with carb spray to eliminate an intake leak
and then I think I'd pull the valve cover and use a dial indicator to
measure cam lift on both intake and exhaust.
Tis truly a baffling issue.
If all else fails, you might try beating on the distributor with a rubber
chicken, dancing around the car counter clockwise chanting "Oh dark lord
Lucas protect you lowly minion as I toil away on this car.
Hey at this point it can't hurt.
Rick

On Fri, Oct 17, 2014 at 7:06 AM, David Porter <frogeye at porterscustom.com>
wrote:

> I think Skip may be on to something here.. measure the wear on the
> distributor cam lobes for sameness of each or some reason for the points
> plate to shift under different centrifugal or vacuum conditions.. gotta
> be a Lucas issue;-)You've tried everything else.. hook up your timing
> light and drive around with it and watch the firing...
> dave
>
>
> --
> Dave Porter Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM 87107
> 505-352-1378 Go HERE: my world www.porterbikes.com/
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