MGB Register Forum

Following this with interest as a similar problem here. Runs absolutely fine most of the time but then will have a really rough passage, tacho not flicking. I'm pretty sure it's not a spark issue - all replaced vai Distribution Doctor so I'm going to fully check for fuel starvation - when I get some...

I was slow in removing a bird poo splat off the bonnet. I now have a lovely little outline. Any thoughts on removing it please

I was going too but it's raining...

Thanks Charles, this is where I'll be starting.

"small tube connecting the carbs" - what do you mean, I don' think I have one (HS4)

Yes, shiny new red distrubutor arm installed.

It's reminding me though, the contacts on the cap looked a bit black, so these were cleaned. I'll check it.

Iain

HT leads not replaced, but tested and all good, along with coil.
All points distributor etc replaced from the good doctor.
The cap wasn't replaced, but coul dbe the next on the list.

But if it is an issue with a faulty component providing a spark, why is it not more consistent?

By static, I mean it was at about 1500 rpm, car doing 20, probably in 3rd gear, but I can't recall for certain. Rotorarm was also replaced

Morning all, new boy here, so apologies if this has been covered (I have searched!) An intermittent problem with my 72B roadster and only really on a short run. Power will plummet and she sounds like a tractor. Hasn't happened since the summer, but, inevitably, Xmas eve, I had to use the MG for the ...