Duinhoven_Hans@emc.com wrote:
>
> This hesitation triggered me:
> Since I have my BGT the engine shows some hesitation when the accellerator
> is pressed. This is felt best when this is done slowly when going at a low
> speed and low revs. It always occurs when going faster from a stable speed.
> Especially when the engine is cold it is at worst.
> When hesitating then the engine sometimes backfires in the carburattors.
> When the engine comes to speed >2200 RPM the hesitation is over.
> The engine is recently tuned by a knowledgable guy.
>
> For the rest the car drives well.
>
> Dear list what is you opinion?
This might be icing in the dashpot, causing the dashpot to stick
momentarily.
My Cooper S did this until I added a dashpot heater band (common to
SU Carbs from Canada and Northern USA). The heater warms up the
dashpot area of the carb to prevent icing. This fixed the problem.
-Rock http://www.rocky-frisco.com
--
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