I don't think this is the issue. The coughing occurs very fast after the
start before the carbs could be frozen. For instance when I do not pull the
choke far enough it is easy to reproduce directly after the start of the
engine while driving the 1st meters.
Cheers,
Hans
-----Original Message-----
From: Rocky Frisco [mailto:rock@rocky-frisco.com]
Sent: Tuesday, February 05, 2002 7:46 PM
To: Duinhoven_Hans@emc.com; mgs@autox.team.net
Subject: Re: Dist. replacement. - hesitation
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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