It sounds to me like you have a vacuum leak somewhere. Remind me,
what model/year do you have?
Alan
On 6/30/11, Austin Healey <pajtamuvek at gmail.com> wrote:
> Hi Alan,
>
> Thanks! The exhaust is clean. Also checked the plugs, they are clean and not
> dark. The engines does not hesitates on acceleration, but has some roughness
> below 2.5 if the throttle is held in position going on flat ground. Especial
> can feel it is decelerating. Not that bad, but still present. The carb is
> very sensitive on the mixture adjustment. As small as 1/4 turn can make
> difference in reading and feel. Not something I am used to on mini engines.
> I have bought a set of different advance springs. Though the advance is
> working (each), I will experiment with the different springs tomorow.
>
> Gergo
>
> 2011/6/29 Alan Seigrist <healey.nut at gmail.com>
>
>> Gergo -
>>
>> The trick is the exhaust should not have a "smell" and should not show
>> smoke. If it smells rich or shows smoke, the mixture is off. Check
>> timing and make sure advance weights are operating and vacuum advance
>> lines are hooked up and operating.
>>
>> Let is know how it is going.
>>
>> Alan
>>
>>
>> On 6/29/11, Austin Healey <pajtamuvek at gmail.com> wrote:
>> > Thanks everybody for the knd words!
>> > I did my first Healey-miles today. Tha car is running well soo far. A
>> little
>> > oil from the valve cover gasket and the oil filter case, but no horror.
>> > After a few joyfull miles came the rain and stopped the fun. Such is
>> life.
>> > I have some questions though. When shall I retorque the head?
>> > I have started to adjust the carbs with a WBO. Starange, but the car is
>> not
>> > realy willing to run on afr 1.47. For proper smooth running it needs
>> > slightly rich mixture of about afr 12.5-13.5. Is it normal? If I weaken
>> the
>> > mixture it begings to run rough. I measure the afr at each downpipe just
>> > below the manifold. The timing has little impact on it.
>> >
>> > Gergo
>> >
>> > PS: Healey forever.
>> >
>>
>> --
>> Sent from my mobile device
>>
>
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