Another option to get the heater back in but leave out the rubber bung! I wonder whether the rubber “bung” thing does more than locate the vent tubes? will it not keep out engine bay fumes? Will be interested how it works out.
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
MGB tips mods and maintenance 