Smitty,
Could be just not rich enough or maybe the needle(s) are worn at the point
they would be at 50-60 mph, assuming they are the biased type. Checking the
richness costs nothing but some of your time so I would opt for that first.
If you need direction on tuning feel free to contact me direct.
Mike
'79B (SU equipped)
----- Original Message -----
From: "Smitty" <smitty29832@msn.com>
To: <mgs@autox.team.net>
Sent: Wednesday, February 13, 2002 3:13 PM
Subject: Carb Problem?
> My MGB runs very well until I reach between 50 and 60 mph. Then it tends
to
> start hesitating and cutting out. Last night I experimented by pulling
out
> the manual choke and as soon as I did that the engine ran beautifully at
that
> speed. Is the problem a simple carb adjustment or could it be more than
that?
> Thanks everyone for your assistance.
>
> Smitty
> '70 MGB
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