Fettling the Davrian

I’m still hoping to use the Davrian for a few hillclimbs, which is why I’ve been getting it track ready. I felt that I’d done most of the things required, but to find out exactly what is needed in order to comply with regulations, I contacted an RAC MSA scrutineer. Although I’d apparently ticked most of the boxes, he mentioned the requirement to fit an extra throttle return spring to the Weber carburettors, and he suggested that I also improve the underfloor reinforcement for the driver’s