information about the MGB and MGB GT classic cars including news and reviews, techs and specs – also updates on repairs, servicing and diy modifications I do on my own MGB Roadster. I am no expert on these cars – just a keen enthusiast – but I hope these posts will be of interest to others with a similar interest
A vacuum modulator was introduced to later cars as emission controls became tighter. I will write about these separately and link it in here, but for now here is a picture to help you identify what type you have.
https://www.scottysretroworkshop.co.uk/2020/12/01/how-to-check-a-vacuum-advance/
MGB tips mods and maintenance 