Morgan have a legacy of poor handbrakes when rear discs are involved. Even relatively new Plus Fours required careful handbrake cable routing to work effectively although I believe there have been recent upgrades to improve. This issue is not new of course, Jensen offered all round disc brakes (one of the first) on their CV8 in the early 60's but handbrake action was rubbish despite or maybe because of a dedicated mechanically operated caliper. Strangely our F54 Mini with humble single piston floating rear calipers has massive hill hold capabilities. I attribute this to the electric handbrakes powerful geared motor pulling cable equivalent to Gorilla with six foot pole
