ROBRTM3 wrote:
>
> Dear List,
>
> Have developed a problem. Recently my 77 mgb has started to misfire or
> "cough" at acceleration above 2500-3000 rpm in 3rd and 4th gear; performance
> improves when backing off, runs smooth at lower rpm and of course lower mph.
> I am somewhat a novice and learning, but I have checked the plugs and they
> seemed dirty with black dry soot deposits, cleaned them up a bit, but did not
> have a real improvement.
Had this problem on my V8, it was the points with too big a gap. Despite
repeated
checks with a feeler gauge it was only when I adjusted it according to a dwell
meter that the problem cleared.
PaulH.
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